4ct hpht synthetic diamond online manufacture

3-4.0ct Uncut HPHT Rough Lab Grown Diamonds DEF Color VVS VS SI Clarity For Sale Synthetic Rough Uncut Diamond Description Synthetic diamond is mainly produced by chemical vapor deposition (CVD) or high ... Read More

5-6.0 Carat DEF Color VVS VS SI Purity Round HPHT Uncut Raw Diamonds For Loose Diamonds Lab Created Diamonds Description Lab-grown diamonds are also known as lab-made diamonds. Laboratory, there are two main ... Read More

Man Made HPHT Diamonds 4-5 Carat EFG Color VVS VS Clarity For Loose Diamonds Man Made Lab Created Diamonds Description Man Made diamond is a kind of polycrystalline diamond which is polymerized from diamond ... Read More

0.6-4.0 Carat DEF Color VVS VS SI Purity Round Lab Grown Cut Loose Diamonds Synthetic Diamonds Description Diamonds are considered the hardest material in the world. Mohs hardness is divided into 10 grades, ... Read More

Man Made Synthetic Rough Diamonds 4-5ct DEF Color VVS VS Clarity For Jewelry Accessory Synthetic Diamonds Description Synthetic diamond is made up of 10 ~ 30 nm in diameter diamond crystal aggregation of ... Read More

DEF VVS VS SI Rough Lab Grown Diamonds Made By HPHT Diamond Machine Rough Lab Grown Diamonds Description What is a laboratory rough diamond? First of all, let's talk about diamonds. From a physical point of ... Read More