0.5~2CT Brilliant D-E Color VS1-VVS1 Clarity White Round Loose Lab Grown Diamond With IGI Certificate For Jewelry Making Fine Jewelry

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Description:

About Lab Diamond

Synthetic diamond is a kind of polycrystalline diamond from the crystallization of diamonds with a diameter of 10 to 30 nanometers. Early synthetic diamonds due to nitrogen atoms in the air into the diamond crystal and light sugar color, after scientists improved production methods, the production of artificial diamonds and natural diamonds no difference in appearance.

1, high temperature and high pressure synthesis method HPHT(high pressure high temperature): temperature and pressure are still the two key factors in the manufacture of crystals, The method is to create diamonds in ceramic containers rather than underground, where water pressure provides high pressure and electricity generates high temperatures, causing carbon to form crystals around 1 millimeter diameter seed crystals made from natural diamonds.

2. CVD (Chemical Vapor Deposition) After heating natural gas and nitrogen, a carbon plasma is formed in a dishwasher sized pressure.

Stone:Lab Grown Diamond (IGI Certificate Included) Color:D Clarity:VS1 Gift For :Women, Girl, Girlfriend, Best friend,Friendship occasion:Party Engagement, Wedding, Anniversary diameter Size Instructions: 0.5 CT round mm size approx. 5.2mm 0.7 CT round mm size approx. 5.8mm 0.8 CT round mm size approx. 5.9mm 0.9 CT round mm size approx. 6.3mm 1.0 CT round mm size approx. 6.5mm 1.5 CT round mm size approx. 7.3mm 2.0 CT round mm size approx. 8.2mm

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