Millions of pre-packed and certified high precision cut calibrated gemstones graded to a consistent color, clarity, size and shape.

Bangkok, Thailand
Joined July 2016
#GEMTRENDS: September 2026 sales dynamics report of precision-cut calibrated gemstones at China Stone. Research that brings transparency to the industry and helps you better understand colored gemstones market. echinastone.com/ #gemstones #chinastone #gems #meleesize
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Ensuring the highest standard of brilliance begins long before a gemstone is set into jewelry. Our experts carefully sort and measure every single gem to guarantee only the finest make the cut. #gemstones #chinastone #gems #meleesize #sapphire #calibratedgemstones
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PRODUCT SPOTLIGHT: Perfectly calibrated round brilliant lot of 36 pieces high-precision cut natural pastel pink sapphire gemstones from Africa in 2.50mm size features an exceptional cut and finish. For more details echinastone.com/products/det… #gemstones #chinastone #gems #sapphire
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The flawless execution of the precision cutting maximizes light reflection, ensuring unparalleled brilliance and uniform fire across every single stone. Each gemstone is crafted to an exact size with maximum tolerance of +0.03mm. #gemstones #chinastone #meleesize #tsavorite
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#DESIGN: Striking statement earrings layout beautifully showcase a tiered chandelier style that balances bold architecture with elegant movement. For more details echinastone.com/products/sea… #gemstones #gems #chinastone #meleesize #sapphire #calibratedgemstones
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Capture the essence of an African sunset with these exceptional, ethically sourced orangy-red sapphires. They offer the ultimate blend of fiery elegance and rarity for any jewelry design. For more details echinastone.com/products/sea… #gemstones #chinastone #gems #meleesize #sapphire
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Rubies sourced from Africa are expanding the established parameters of the red color spectrum. They are characterized by a highly saturated, intense hue, presenting distinct color variations from deep crimson to glowing scarlet. For more details echinastone.com/products/sea… #gems
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#GEMTRENDS: August 2026 sales dynamics report of precision-cut calibrated gemstones at China Stone. Research that brings transparency to the industry and helps you better understand colored gemstones market. echinastone.com/ #gemstones #chinastone #gems #meleesize
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We are looking forward meeting you at the Hong Kong Jewellery & Gem Fair. HALL 8 | BOOTH: 8D02 14th September - 18th September 2026
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Inspired by the rich, dramatic magic of a crisp autumn afternoon. Chrome Tourmaline sparkles, while vibrant, falling leaves in Blue Sapphire and Amethyst blend seamlessly with the cozy warmth of a Lavender Sapphire and the playful blush of a Pink Sapphire. #gemstones #chinastone
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We are taking this opportunity to invite you to visit us at HALL 6, BOOTH: HH-02,04,06,08 / JJ-01,03,05,07 / Bangkok Gems & Jewelry Fair 08th September - 12th September 2026 Queen Sirikit National Convention Center, 60 Ratchadaphisek Road, Bangkok, Thailand.
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#GEMTRENDS: July 2026 sales dynamics report of precision-cut calibrated gemstones at China Stone. Research that brings transparency to the industry and helps you better understand colored gemstones market. echinastone.com/ #gemstones #chinastone #gems #meleesize #sapphire
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PRODUCT SPOTLIGHT: Perfectly calibrated princess square lot of 36 pieces high-precision cut natural light yellowish orange sapphire gemstones from Africa in 2.50mm size features an exceptional princess cut and finish. echinastone.com/products/det… #gemstones #chinastone #gems
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#DESIGN: These earrings layout offers a striking modern twist on classical jewelry engineering, radiating a vibrant, fluid energy. Double-layered, sweeping arcs of fancy-cut multicolored sapphires are anchored by deep, royal blue sapphire tips. #gemstones #gems #chinastone
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Quality and precision in every single detail. Sorting precision cut calibrated gemstones and verifying for perfect consistency. Each stone is meticulously graded, and ready to be set. #chinastone #gemstones #gems #meleesize #calibratedgemstones #precisioncutgemstones
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Peridot is the vibrant green birthstone for August, historically called the "gem of the sun" and believed to bring peace and good fortune. Its shades range from yellowish-green to deep olive, with the specific color depth determined by the concentration of iron. #chinastone #gems
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A close-up of the transformation process creating perfectly harmonized gemstone color sets. This demanding work leaves zero room for error, as even the slightest variation in shade can instantly disrupt the color uniformity. #chinastone #gemstones #gems #meleesize #sapphire
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#GEMTRENDS: June 2026 sales dynamics report of precision-cut calibrated gemstones at China Stone. Research that brings transparency to the industry and helps you better understand colored gemstones market. echinastone.com/ #gemstones #chinastone #gems #meleesize
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African rubies are redefining the red spectrum. They boast an incredibly vibrant, saturated hue that ranges from rich, deep crimson to an intense, glowing scarlet. For more details echinastone.com/products/sea… #gemstones #chinastone #gems #meleesize #ruby #calibratedgemstones
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We focus on absolute symmetry. Every facet junction meets flawlessly at microscopic intersection points, ensuring perfect balance and razor-sharp geometric alignment. Our strict quality control guarantees mathematical uniformity in size, depth, and proportion. #chinastone #gems
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