Best price cvd hpht uncunt white rough diamond for sale

Best price cvd hpht uncunt white rough diamond for sale

Henan Huanghe Whirdwind co., Ltd. was founded in 1978, the company was lised on Shanghai Stock Exchange(stock code:60l enter parise undertaking R&D, production and trade.The Division adopts the country's HPHT SYNTHESIZING APPARATUS AND SYNTHETIC TECHNOLOOOGIES with our own intellectual property rights.

Synthetic diamonds are polycrystalline diamonds made from diamond crystals of 10 to 30 nanometers in diameter. Early synthetic diamonds were made by nitrogen atoms in the air.

Treasure map synthetic diamond

Entering the diamond crystal and showing a faint sugar color, through the scientists' improved method of making, the artificial diamond now produced is no different from the natural diamond in appearance, due to the difference of the producing environment. The molecular structure of a synthetic diamond is not a complete octahedral structure of a natural diamond, but a complex structure, resulting in phosphorescence. And can produce a variety of colors of diamonds and emerging in the jewelry market.

Although synthetic diamonds from laboratories or factories have been around for decades, synthetic diamonds of gem quality have only recently emerged. They were originally used mainly for industrial purposes such as cutting tools. But now they are also used in jewelry.

The rules of fair trade require artisanal diamond dealers to give a truthful account of their quality at the time of sale and to describe them in generally accepted terms, such as "synthetic", "man-made" or "laboratory manufactured". Almost all synthetic diamonds are of type Ib, This type of diamond accounts for less than 2% of natural diamonds. There is a less expensive device to verify Ib diamonds, but to determine whether a diamond is synthetic depends on a qualified gem laboratory test.