About Us

GemManufacturer is a professional gemstone and jewelry wholesale factory in Wuzhou, China. We specialize in moissanite, lab-grown diamonds, and 925 sterling silver jewelry with integrated design, casting, stone setting, plating and export. MOQ from 1 piece, OEM/ODM for global buyers.

Editorial Team

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Sarah Lin

Gem identification; colored gemstones; diamond grading

GIA Graduate Gemologist (G.G.) with ten years of experience in gem identification and colored-stone grading, having examined over 10,000 stones.

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David Chen

Jewelry design; trends; styling

Jewelry designer with 15 years of brand experience, whose work has featured at Shanghai jewelry fairs, specializing in minimal and vintage design.

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James Wang

Wholesale sourcing; supply chain; cost

Wholesale sourcing specialist who has worked the Shenzhen Shuibei market for ten years, supporting more than 200 store owners and online sellers.

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Grace Zhao

Metal craft; repair; setting

Bench jeweler skilled in gold and platinum setting, electroplating and repair, having hand-finished over 3,000 custom pieces.