Negli ultimi anni, synthetic diamond grown by chemical vapor deposition (CVD) has become an important topic in the jewelry industry. These diamonds can be synthesized under low pressure and medium high temperature (approximately 800 a 900 gradi Celsius), and have been more widely used in jewelry. Chemical vapor deposition synthetic diamonds are almost always brown …
CVD synthetic diamond with nitrogen impurities Per saperne di più »
1. In 2018, Gli orsi, il più grande produttore mondiale di diamanti, ha lanciato un nuovo marchio chiamato Lightbox Jewelry, che sarà l'unico marchio di gioielleria del gruppo che utilizza diamanti sintetici tecnici forniti dalla sua controllata Element Six Diamond Laboratory. 2. Diama è stata fondata a maggio 2016, and all its product series are made of …
Principali marchi di coltivazione di diamanti in patria e all'estero Per saperne di più »
One of the 4C standards is cut, which is for brilliant cut diamonds. When other factors are the same, the diamond value of the brilliant cut process is regarded as the highest. So how many cutting methods are there for diamonds? Here is a brief introduction to the methods Please refer to the 4C standard …
Diamond processing: the preparation process from rough to millions of diamonds Per saperne di più »
The most complete crystal octagonal gray diamond, 4.12 carati, 10.8*8*8mm, Sud Africa 0.67 carati, 7*4*2.5mm, South African diamonds 1.13 carati, 7*5*4mm, Central African Republic 1.76 carati, 7*6*6mm, Brazil 1.91 carati, 7*6*6mm, Brazil Brown octahedron, 7.19 carati, 12*9.5*9mm, South Africa Brown diamonds, two 5.63 carati, 7*6*6 e 7*7*6, Australia Gray slender octahedral crystal 1.68 carats 7*6*5mm …
Appreciation of rough diamond rough map Per saperne di più »
Diamonds are natural gemstones formed under the conditions of high temperature and high pressure deep in the earth. Through some knowledge of diamond knowledge, we know that diamond has the characteristics of high hardness, high refractive index and high dispersion rate, and its melting point also reaches 3550°C-4000°C, so can diamond be burned with fire? …
Can diamonds be burned with fire? Don't try it lightly! Per saperne di più »
Many people know that the formation of rough diamonds takes more than one billion years, and a rough-looking rough diamond needs to go through complicated cutting and polishing to turn into a diamond with a beautiful appearance. Today we will reveal the secret of the cosmetic procedure of a rough diamond. Planning and marking is …
