Luxury Ring

Luxury Ring Market Outlook

The global luxury ring market is anticipated to reach approximately USD 70 billion by 2035, growing at a CAGR of 5.2% from 2025 to 2035. Several factors are contributing to this growth, including rising disposable income among consumers, an increasing preference for personalized and bespoke jewelry designs, and a growing trend of luxury gifting. The market is also benefiting from the enhanced influence of social media and online platforms that showcase luxury jewelry, which drives consumer interest and engagement. Furthermore, the ongoing expansion of e-commerce platforms is making luxury rings more accessible to a broader audience, thus contributing to market growth. Additionally, the increasing demand for ethical and sustainable jewelry is prompting manufacturers to adapt their offerings, making luxury rings not just a statement of wealth but also of social responsibility.

Growth Factor of the Market

The luxury ring market is experiencing significant growth driven by increasing consumer awareness and preference for high-quality and luxury products. The rise in demand for diamond and gemstone rings, particularly for engagement and wedding purposes, has been a primary factor propelling this market. Furthermore, the growing trend of customization in jewelry, where consumers seek unique designs that represent their personality and style, is reshaping the market landscape. Influencer marketing and celebrity endorsements have also played a pivotal role in elevating the status of luxury rings, making them more desirable among younger demographics. The proliferation of online retail channels has enhanced accessibility, allowing consumers to purchase luxury rings conveniently from home. Moreover, the cultural significance of luxury rings in various societies has sustained their demand, ensuring that this market continues to thrive.

Key Highlights of the Market

• The market is forecasted to reach USD 70 billion by 2035, growing at a CAGR of 5.2% during the forecast period.
• Luxury rings are increasingly being personalized to match individual consumer preferences.
• Online sales channels are becoming a dominant force in the luxury jewelry market.
• Diamonds remain the most sought-after material for luxury rings, particularly for engagement purposes.
• Emerging brands are redefining luxury by focusing on sustainable and ethical jewelry practices.

By Product Type

Diamond Rings:

Diamond rings are the most prestigious segment within the luxury ring market, often symbolizing love and commitment. This product type holds a significant share of the market, driven primarily by their popularity in engagement and wedding ceremonies. Consumer preference for high-carat diamonds and intricate settings has led to a surge in demand for these rings. Moreover, the advent of lab-created diamonds has introduced a new dimension to this segment, offering an ethical alternative without compromising on quality. Luxury brands are increasingly showcasing unique designs and exclusive collections to cater to the discerning tastes of consumers, further driving this segment's growth.

Gemstone Rings:

Gemstone rings are gaining traction as consumers seek alternatives to traditional diamond rings. With an array of options like sapphires, rubies, and emeralds, this segment attracts buyers looking for distinct and colorful designs. The growing popularity of color gemstones, especially for engagement rings, is fueled by the trend of unique personalization. Additionally, many consumers are drawn to the meanings and cultural significance associated with different gemstones, making them a popular choice for gifts. The ability to customize gemstone rings according to individual preferences further enhances the appeal of this product type, contributing positively to its market growth.

Gold Rings:

Gold rings have been a staple in the luxury jewelry market for centuries, known for their timeless elegance and versatility. This segment caters to various styles, from classic wedding bands to modern fashion statements. The rising prices of gold have not deterred consumers; rather, many view gold rings as a long-term investment. Additionally, cultural factors play a significant role in the demand for gold rings, particularly in regions where gold is considered auspicious. The introduction of innovative designs, combined with traditional craftsmanship, has kept this segment relevant and appealing to various demographics.

Platinum Rings:

Platinum rings are synonymous with durability and rarity, making them a popular choice for luxury buyers. This segment is particularly favored for wedding bands and engagement rings, appreciated for their hypoallergenic properties and lasting brilliance. The increasing awareness of platinum's unique qualities, including its resistance to tarnishing and scratching, has spurred demand in the luxury ring market. Furthermore, as consumers become more educated about the benefits of platinum over other metals, they are more inclined to invest in these high-end pieces. The luxurious image associated with platinum also enhances its desirability among consumers seeking status symbols.

Silver Rings:

While silver rings are often considered more affordable than gold or platinum, they still hold a significant place in the luxury ring market due to their versatility and appeal. Silver rings can be adorned with various gemstones, creating striking designs that attract a wide range of consumers. The growing trend of layering and stacking rings has bolstered the popularity of silver, allowing consumers to express their individual styles. Additionally, the increasing focus on sustainable fashion has led to a rise in demand for ethically sourced silver, further contributing to the segment's growth. As more brands emphasize craftsmanship and unique designs, silver rings continue to captivate luxury buyers.

By Application

Wedding/Engagement:

The wedding and engagement application segment remains the largest driver of growth in the luxury ring market. This category is characterized by the emotional significance attached to rings exchanged during these monumental occasions. Couples are increasingly willing to invest in high-quality pieces that reflect their personalities and commitment. The trend toward personalized designs, including engravings and custom settings, has further fueled demand in this segment. Additionally, the rise of alternative engagement rings featuring unique gemstones has expanded consumer choice, leading to a diversification in styles and preferences.

Fashion:

Fashion rings have emerged as a significant segment within the luxury ring market, catering to consumers seeking stylish accessories to complement their outfits. This category includes statement pieces, cocktail rings, and trendy designs that are often influenced by current fashion trends. The increasing popularity of social media and influencer marketing has played a crucial role in driving awareness and demand for fashion rings. Additionally, consumers are increasingly looking for rings that can be worn on various occasions, prompting brands to offer versatile pieces that blend luxury with everyday wearability. This segment's growth reflects the changing dynamics of consumer attitudes toward luxury jewelry.

Formal Wear:

Formal wear rings are specifically designed to be worn during formal occasions and events. This application segment emphasizes sophistication and elegance, with designs that often incorporate precious metals and intricate details. As events and gatherings resume post-pandemic, the demand for formal wear rings is expected to rise, reflecting a renewed appreciation for luxury jewelry. Consumers are looking for pieces that can enhance their formal attire while making a statement. This segment benefits from seasonal trends and collaborations with fashion designers, keeping it dynamic and aligned with consumer expectations.

Casual Wear:

Casual wear rings are designed for everyday use, reflecting a more relaxed approach to luxury. This segment has gained popularity as consumers seek pieces that can be worn daily without sacrificing style. The trend towards minimalist designs and dainty rings resonates well with younger consumers who favor subtle elegance over ostentatiousness. As lifestyle changes prompt individuals to invest in jewelry that suits their daily routines, the casual wear segment is expected to experience steady growth. Brands are increasingly focusing on craftsmanship and quality materials to ensure that these rings stand the test of time while remaining stylish.

Others:

This category encompasses various applications that do not fall under the traditional segments of wedding, engagement, fashion, formal wear, or casual wear. It includes rings purchased as gifts for special occasions, symbolic rings for personal milestones, or those intended for collection. The diversity within this segment highlights the evolving mindset of consumers who view rings as meaningful gifts rather than merely adornments. Additionally, the rise of the gifting culture has propelled the demand for unique and personalized rings that carry emotional significance, further enhancing the overall growth of the luxury ring market.

By Distribution Channel

Online Stores:

Online stores have revolutionized the luxury ring market, providing consumers with unprecedented access to a wide range of products. The convenience of shopping from home, combined with the ability to compare prices and read reviews, has drawn many consumers to online platforms. E-commerce giants and luxury brands alike have invested heavily in their online presence, offering virtual consultations and personalized services to compete with traditional retail. The growing trend of social media marketing and influencer partnerships has also enhanced online visibility, driving traffic to e-commerce sites. Overall, the online distribution channel is expected to continue growing, influencing how consumers purchase luxury rings.

Specialty Stores:

Specialty stores, including jewelers focusing exclusively on luxury products, hold a significant portion of the luxury ring market. These establishments often offer a curated selection of high-end rings, providing personalized service that enhances the customer experience. The expertise of staff and the opportunity to physically examine products before purchase are crucial factors that attract consumers to specialty stores. Additionally, many consumers appreciate the ambiance and exclusivity that these stores provide, making it a preferred shopping destination for luxury items. The ability to build relationships with knowledgeable sales associates fosters trust and loyalty among customers.

Department Stores:

Department stores have traditionally been a popular distribution channel for luxury rings, providing a one-stop shopping experience for consumers. These retailers offer a blend of luxury and affordability, allowing customers to explore various brands and styles in one location. The luxury jewelry sections within department stores are often well-curated, featuring exclusive collections that cater to the tastes of discerning shoppers. Furthermore, department stores occasionally host events and promotions that highlight luxury products, drawing attention to their jewelry offerings. As consumers seek convenience, the department store segment will continue to play a vital role in the luxury ring market.

Boutique Stores:

Boutique stores focus on unique and artistic designs, catering to consumers looking for exclusive pieces that stand out. These smaller retailers create intimate shopping experiences, often showcasing local artisans and designers. The emphasis on craftsmanship and originality attracts a niche market willing to invest in one-of-a-kind luxury rings. Boutique stores often engage with their communities through events and collaborations, enhancing brand loyalty and recognition. As personalization and bespoke options become increasingly popular, the boutique segment is likely to see sustained growth as consumers search for distinctive pieces that reflect their individuality.

Others:

This category includes various alternative distribution channels, such as pop-up shops, home parties, and direct sales. While these channels currently represent a smaller segment of the market, they are gaining traction as consumers seek unique and personalized buying experiences. Pop-up shops, in particular, allow brands to reach consumers in various locations, creating excitement and exclusivity. Direct sales and home parties provide opportunities for social interactions and personalized service, appealing to consumers who value relationships and community. As these alternative channels expand, they may provide new avenues for luxury ring sales.

By Material Type

Diamonds:

Diamonds are the quintessential choice for luxury rings, often associated with love, commitment, and prestige. This material's superior hardness and brilliance make it ideal for both engagement rings and fashion pieces. The demand for diamonds remains robust, bolstered by the enduring symbolism and tradition they represent. Consumers are increasingly drawn to the 4Cs—cut, clarity, color, and carat weight—when selecting diamond rings, emphasizing the need for high-quality stones. The rise of lab-grown diamonds has also influenced the market, providing consumers with ethical options that do not compromise on quality. As more individuals prioritize ethical considerations, the demand for responsibly sourced diamonds is expected to grow.

Sapphires:

Sapphires are gaining popularity in the luxury ring market, often chosen for their stunning blue hues, but they also come in a variety of colors. This gemstone symbolizes wisdom and nobility, making it an appealing choice for those seeking something beyond traditional diamonds. Sapphires are frequently used in both engagement rings and fashion pieces, offering a unique alternative that stands out. The growing trend of colored gemstones is driving consumer interest in sapphire rings, particularly among millennials and younger generations. As consumers become more adventurous in their jewelry choices, sapphires are positioned to become a staple in the luxury segment.

Rubies:

Rubies, with their vibrant red color, are highly sought after in the luxury ring market, often regarded as symbols of passion and love. This gemstone's rarity and allure make it an attractive option for consumers looking for unique pieces that carry sentimental value. Rubies are increasingly being incorporated into contemporary designs, appealing to a new generation of buyers. The market for ruby rings has been bolstered by celebrity endorsements and a resurgence of interest in vintage styles. As consumers seek meaningful jewelry that transcends trends, rubies are likely to maintain their status in the luxury ring market.

Emeralds:

Emeralds are cherished for their rich green hues and historical significance, making them a luxurious choice for rings. This gemstone symbolizes rebirth and love, capturing the hearts of consumers who appreciate both beauty and meaning. With the increasing demand for unique and colorful alternatives to traditional diamonds, emerald rings are becoming more prominent in the luxury market. As consumers place greater emphasis on personalization and individuality, the allure of emeralds is expected to grow. Their distinct appearance and association with luxury continue to make emerald rings an attractive option for discerning buyers.

Amethysts:

Amethysts, known for their striking purple color, are gaining traction in the luxury ring market due to their affordability and aesthetic appeal. This gemstone is often associated with tranquility and balance, attracting consumers seeking both beauty and meaning. As the trend of using alternative gemstones in fine jewelry rises, amethysts are increasingly being featured in high-end designs. Their versatility allows for creative pairings with various metals and settings, catering to diverse tastes. As consumers explore unique options beyond traditional gemstones, amethysts are likely to become a popular choice in the luxury ring segment.

By Region

The luxury ring market is experiencing varied growth across different regions, influenced by cultural preferences, consumer behavior, and economic factors. North America dominates the market, accounting for a significant share due to the high demand for diamond engagement rings and premium jewelry. The region is projected to maintain a robust CAGR of 4.8% during the forecast period, driven by rising disposable incomes and a strong inclination towards luxury goods. Furthermore, the presence of numerous high-end jewelry brands and a well-established retail infrastructure enhance market dynamics in North America.

In Europe, the luxury ring market is also thriving, driven by a rich tradition of jewelry craftsmanship and appreciation for luxury goods. Countries such as Italy, France, and the United Kingdom are significant contributors to this market, with consumers favoring unique and artisanal designs. The European market is projected to exhibit steady growth, with an emphasis on sustainable and ethical jewelry practices influencing consumer purchasing decisions. Asia Pacific is emerging as a key market, with rapid urbanization, growing middle-class incomes, and a rising affinity for luxury products. As more consumers in this region adopt Western lifestyle trends, the luxury ring market in Asia Pacific is expected to expand significantly, creating new opportunities for brands and retailers.

Opportunities

The luxury ring market presents numerous opportunities for brands and retailers aiming to capitalize on emerging consumer trends. One notable opportunity lies in the growing demand for ethically sourced and sustainable jewelry. As consumers become increasingly aware of the environmental and social implications of their purchases, they are more inclined to seek out brands that prioritize ethical practices. This shift creates a substantial opportunity for companies to differentiate themselves by offering transparent sourcing and production methods. By aligning with consumer values, brands can enhance their appeal and foster loyalty, ultimately benefiting from the growing consciousness surrounding ethical luxury products.

Another opportunity lies in the expansion of e-commerce platforms, particularly in regions with developing economies. As internet penetration increases and more consumers gain access to online shopping, luxury ring brands can tap into previously underserved markets. Establishing a strong online presence and utilizing digital marketing strategies can help brands reach a wider audience and engage with consumers effectively. Additionally, implementing personalized shopping experiences, such as virtual try-ons and customization options, can further enhance customer satisfaction and drive sales. The potential for growth in online retail presents an exciting opportunity for brands to evolve and adapt to changing consumer behaviors.

Threats

Despite the promising outlook for the luxury ring market, several threats could impede growth. Economic downturns and fluctuations in disposable income can significantly impact consumer purchasing behavior, particularly for luxury goods. In times of financial uncertainty, consumers are more likely to prioritize essential purchases over luxury items, leading to decreased demand for luxury rings. Additionally, the luxury market faces competition from alternative luxury experiences and products, such as travel and technology, which can divert consumer spending away from jewelry. Brands must remain vigilant and adaptable to navigate these potential threats effectively.

Another potential restraining factor is the increasing prevalence of counterfeit luxury goods in the market. As the demand for luxury rings continues to rise, so does the risk of counterfeit products entering the market. These counterfeit goods can undermine brand reputation and consumer trust, leading to losses for legitimate retailers and manufacturers. To combat this issue, brands must invest in robust authentication methods and educate consumers about identifying genuine products. Failure to address the counterfeit threat could hinder the overall growth and sustainability of the luxury ring market.

Competitor Outlook

• De Beers Group
• Tiffany & Co.
• Cartier
• Bvlgari
• Harry Winston
• Chopard
• Graff Diamonds
• Van Cleef & Arpels
• Pandora
• Blue Nile
• Jared The Galleria of Jewelry
• Zales
• Kay Jewelers
• David Yurman
• Michael Hill Jeweller

The competitive landscape of the luxury ring market is characterized by a mix of established luxury brands and emerging designers, each vying for consumer attention and market share. Established players like De Beers and Tiffany & Co. dominate the high-end segment, leveraging their heritage, brand equity, and craftsmanship to maintain a loyal customer base. These brands invest heavily in marketing campaigns and collaborations with celebrities and influencers to enhance their visibility and appeal. Additionally, they emphasize sustainability and ethical sourcing, addressing growing consumer concerns and positioning themselves as responsible luxury brands.

Emerging brands and designers are also making a mark in the luxury ring market by offering unique and innovative designs that cater to the evolving tastes of consumers. Many of these brands focus on customization, providing customers with the opportunity to create personalized pieces that reflect their individuality. The rise of social media platforms has empowered these brands to connect directly with consumers, allowing them to build a strong online presence and engage with their target audience effectively. As the market continues to evolve, staying attuned to changing consumer preferences and adopting innovative strategies will be essential for success.

In addition to established players and emerging brands, online retailers like Blue Nile and James Allen are reshaping the competitive landscape by offering significant advantages in terms of pricing and convenience. These e-commerce platforms provide consumers with access to a vast selection of luxury rings at competitive prices, often with the added benefit of customization options. Their focus on exceptional customer service and educational resources, such as guides on diamond selection, further enhances the shopping experience. As online shopping continues to gain popularity, traditional retailers must adapt their strategies to remain competitive in this changing environment.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Zales
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Bvlgari
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Cartier
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Chopard
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Pandora
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Blue Nile
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 David Yurman
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Kay Jewelers
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Harry Winston
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Tiffany & Co.
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 De Beers Group
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Graff Diamonds
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Van Cleef & Arpels
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Michael Hill Jeweller
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Jared The Galleria of Jewelry
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Luxury Ring Market, By Application
    • 6.1.1 Wedding/Engagement
    • 6.1.2 Fashion
    • 6.1.3 Formal Wear
    • 6.1.4 Casual Wear
    • 6.1.5 Others
  • 6.2 Luxury Ring Market, By Product Type
    • 6.2.1 Diamond Rings
    • 6.2.2 Gemstone Rings
    • 6.2.3 Gold Rings
    • 6.2.4 Platinum Rings
    • 6.2.5 Silver Rings
  • 6.3 Luxury Ring Market, By Material Type
    • 6.3.1 Diamonds
    • 6.3.2 Sapphires
    • 6.3.3 Rubies
    • 6.3.4 Emeralds
    • 6.3.5 Amethysts
  • 6.4 Luxury Ring Market, By Distribution Channel
    • 6.4.1 Online Stores
    • 6.4.2 Specialty Stores
    • 6.4.3 Department Stores
    • 6.4.4 Boutique Stores
    • 6.4.5 Others

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Luxury Ring Market by Region
  • 10.3 Asia Pacific - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 India
      • 10.3.1.2 China
      • 10.3.1.3 Japan
      • 10.3.1.4 South Korea
  • 10.4 Latin America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 Brazil
      • 10.4.1.2 Argentina
      • 10.4.1.3 Mexico
  • 10.5 North America - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 USA
      • 10.5.1.2 Canada
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Luxury Ring market is categorized based on

By Product Type

• Diamond Rings
• Gemstone Rings
• Gold Rings
• Platinum Rings
• Silver Rings

By Application

• Wedding/Engagement
• Fashion
• Formal Wear
• Casual Wear
• Others

By Distribution Channel

• Online Stores
• Specialty Stores
• Department Stores
• Boutique Stores
• Others

By Material Type

• Diamonds
• Sapphires
• Rubies
• Emeralds
• Amethysts

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• De Beers Group
• Tiffany & Co.
• Cartier
• Bvlgari
• Harry Winston
• Chopard
• Graff Diamonds
• Van Cleef & Arpels
• Pandora
• Blue Nile
• Jared The Galleria of Jewelry
• Zales
• Kay Jewelers
• David Yurman
• Michael Hill Jeweller