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402 King Farm Blvd, Ste 125
Rockville, MD 20850 Rockville Rate and review
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Description is an award winning online store operated by China Stone Co., Ltd - a leading global manufacturer of high-precision cut natural gemstones.

The world's most admired luxury jewellery and watch brands, independent fine jewelers and watch manufactures, rely on China Stone’s comprehensive range of melee sized calibrated natural colored stones. allows independent fine jewelers and watch manufactures to browse, search and buy over 8 million pre-packed and certified natural color stones graded to a consistent color, clarity, size and shape, within narrow persistent tolerances, on any device including mobile phones.

An online inventory is arranged by gemstone variety and color, and offers high-class photographs and specifications for each pre-packed calibrated lot of gemstones, including price, origin, treatment disclosure, weight, size measurements, shape and cut specifications, clarity and color grades, calibration grading and methodology, and available color variation range for each particular lot.

All offered gemstones are perfectly cut, graded and calibrated, and sold in five different sized multi-functional purpose boxes featuring a clear plastic top with twist-lock tabs for secure storage. Each box is accompanied by a numbered Certificate of Authenticity, and user friendly labeling and disclosures based on variations in quality, color, origin and treatments or enhancements.

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