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EFG Color VVS VS HPHT Rough Diamond Uncut Rectangular Shape HPHT Lab Created Diamond What is the HPHT diamond?HPHT is short for High pressure-high Temperature treatment. Its purpose is to change or improve the ... อ่านเพิ่มเติม

Best price lab grown diamond hpht uncut white rough diamond for sale HPHT rough white diamond is also known as laboratory-created diamond,laboratory-grown diamond,cultured diamond or cultivated diamond.It is ... อ่านเพิ่มเติม

Company Information Henan Yuda Crystal Co., Ltd., established in 2016, specializes in research and development, manufacturing and marketing of synthetic diamond and related products as well facilities. The ... อ่านเพิ่มเติม

Synthetic diamond (also known as laboratory-created diamond, laboratory-grown diamond, cultured diamond or cultivated diamond) is diamond produced in an artificial process, as opposed to natural diamonds, which ... อ่านเพิ่มเติม

E F G Color Rough Diamond CVD Lab Created Diamonds Uncut high Clarity Synthetic Diamonds What is the difference between CVD DIAMOND and HPHT Diamond? They are all cultivate diamonds, produced in the laboratory ... อ่านเพิ่มเติม

Round White DEF Color VVS VS SI Clarity HPHT Rough Diamond For Ring Lab Grown Diamonds Description Synthetic techniques of cultured diamond can be divided into high temperature and high pressure method (HTHP) ... อ่านเพิ่มเติม

VS SI Clarity 0.5-3.0ct Lab Grown HPHT Diamonds For Diamonds Jewelry Lab Grown HPHT Diamonds Description Diamonds are considered to be the hardest material in the world. Mohs hardness is divided into 10 grades, ... อ่านเพิ่มเติม

Square Shape 12mm - 14mm FG Color Rough Synthetic HPHT Diamond Made By HPHT Diamond Equipment HPHT Lab Grown Diamonds Description Lab diamonds, also known as cultured diamonds and synthetic diamonds. Nowadays, ... อ่านเพิ่มเติม

White DEF Color VVS Clarity HPHT Rough Diamond For Ring And Necklace Lab Grown Diamonds Description Cultured diamond refers to man-made diamond. Synthetic diamond is a kind of polycrystalline diamond which is ... อ่านเพิ่มเติม

Big Size White DEF Color VVS VS Clarity HPHT Rough Diamond For Rings Lab Created Diamonds Description Synthetic diamond cultivation methods mainly include HPHT high pressure and high temperature method and CVD ... อ่านเพิ่มเติม