About WB Gem

Who We Are

WB Gem is a professional gemstone supplier based in Bangkok, Thailand and Hainan, China, specializing in natural gemstones, precision cutting, and wholesale supply. Our facilities are located inside the World Gem & Jewelry Trade Center (JTC Building), 33rd floor — the heart of Bangkok’s global gemstone hub.

With over 15 years of industry experience, we proudly serve retailers, jewelers, designers, collectors, and gemstone enthusiasts worldwide.

Our Expertise in Precision Cutting

We operate our own cutting facility, offering:

  • Precision cut (highly specialized and rare)

  • European cut

  • Standard cut

Every gemstone is cut individually to maximize brilliance, symmetry, and beauty. Our precision-cut stones are recognized for:

  • Excellent light performance

  • Accurate proportions

  • Superior craftsmanship

  • High market demand

Our Experience & Quality Standards

Since 2008, we have worked closely with gem buyers, cutters, and global vendors — evaluating color, clarity, value, and authenticity. While no one can claim “perfect gemstones,” we guarantee:

  • Transparent quality

  • Honest grading

  • Fair pricing

  • Zero misrepresentation

With WB Gem, you receive real gemstones, sourced and processed with care.

Natural Stones & Global Sourcing

We travel regularly to major mining regions to source stones directly and ethically. This ensures we offer only genuine, well-selected gemstones.

Our exceptional gemstone range includes:

  • Burmese rubies

  • Sapphires

  • Alexandrite

  • Spinel

  • Demantoid garnet

  • Paraiba tourmaline
    …and many rare collector stones.

Direct sourcing + strict selection standards have made us one of the most trusted natural gemstone suppliers in the industry.

Wholesale Gemstone Partnerships (B2B)

We work with:

  • Jewelry manufacturers

  • Retail stores

  • Online jewelers

  • Designers

  • Gemstone dealers

Partners often start with our best-selling gemstones and continue long-term after seeing strong sales and consistent quality.

For wholesale inquiries, please contact us. We also update new stone lots regularly on the website.

For Jewelry Designers

We provide gemstone recutting services for creative, custom, and artistic projects. If you value unique cuts and precision workmanship, WB Gem is the perfect long-term partner for your design studio.

For Retail Clients (B2C)

Individual buyers receive full transparency on:

  • Gemstone origin

  • Treatment (if any)

  • Quality

  • Pricing

We also offer custom jewelry services for clients who want unique, one-of-a-kind pieces without overspending.

Our Mission

To be a trusted global destination for natural and certified gemstones, offering:

  • Exceptional craftsmanship

  • Honest value

  • Direct sourcing

  • Professional guidance

  • Personalized service

Thank you for choosing WB Gem — we look forward to bringing you the world’s finest gemstones.