Temporarily closed for routine maintenance

About us

With over 20 years of experience, facilities in Thailand, China and a global network of Authorized Dealers, China Stone is a leading manufacturer of precision machine-cut natural gemstones for fine jewelry and watch industries.

Contact us by phone

  • +66 263 00 730

Corporate Headquarters

  • Jewelry Trade Center
  • 45th Floor, 919/527 Silom Road
  • Bangrak, Bangkok
  • 10500
  • Thailand

Hours of Operation

  • Monday - Friday
  • 9:00 a.m. - 6:00 p.m.
  • GMT +7

Bangkok directions

Our products

China Stone does not deal in synthetic or created gemstones and all of our gemstones are 100% natural. We buy in large quantities directly from the source supply and all of the gemstones we sell are cut and polished in our own factories using advanced technology that allows us to match and maintain the strictest standards.

Our technology

China Stone has combined automated cutting technology with advance inventory-grading, stock-management, order-processing systems and high quality customer service. Our line of precision-calibrated gemstones, are machine cut. Every gemstone, is crafted to the most precise specifications for shape, size, color and quality.

Our company

China Stone is the diversified technology company and world-leading provider of precision cut natural gemstones in a strictly uniformed and digitally calibrated array of colors, proportions and sizes. We deliver a wide range of natural gemstones to fine jewelers, watchmakers and luxury trade professionals throughout the world.