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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 ... قراءة المزيد

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 ... قراءة المزيد

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 ... قراءة المزيد

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 ... قراءة المزيد

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 ... قراءة المزيد

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) ... قراءة المزيد

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, ... قراءة المزيد

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, ... قراءة المزيد

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 ... قراءة المزيد

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 ... قراءة المزيد