HPHT/CVD
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Welcome to Hydray, buy HPHT/CVD laboratory grown diamonds
China Lab Grown Diamond catalog of 1.3mm to 1.8mm Melee CVD and Hpht Lab Grown Diamond Ef Color, Hpht Lab Grown Colorless Synthetic Diamond Melee Size Manufacturer provided by China manufacturer - Wuzhou Provence Jewelry Co., Ltd., page1.
Cubic Zirconia, Star Cut, Synthetic Gemstone manufacturer / supplier in China, offering Starsgem Igi Certificate 1.01 Carat H Vs1 CVD Lab Grown Diamond Synthesis Loose Diamond Gemstone in Stock, Wholesale Price Moissanite Stud Earring 5.5mm Round Brilliant Cut 14K Yellow Gold Moissanite Diamond Earrings, Starsgem Igi Certificate Best Lab Grown CVD Diamond 1 Carat F Color Vs1 .
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4.on call 24 hours Company information 1pany show 2.factory show 3.certification Packing & Delivery 1.Product packing 1)Packed in the vaccum bags 2)Put in carton case with plastic bags 3): Based on your reqirements. 2.shipping 3.payment Why choose us 1) over 10 years experience of gemstone manufacturing 2)More than 200 shapes designs 3)Long-term inventory sufficient. 4)Competetive price ...
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2021-2-21 · The diamond is a natural diamond bare stone as the mother stone, using high-purity methane, plus hydrogen, nitrogen and other gases to assist, in a microwave oven under high pressure, so that the same carbon molecules in methane as diamond continue to accumulate on the rough diamond. Layer by layer, it can form transparent diamonds up to 10 carats.
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