The difference between diamond color levels h and f-g is mainly in terms of quality and price. According to the international diamond color grading standard, the f-g color grade is higher than the h color, and the f-g diamond looks more colorless and transparent, has better visual effects, and is more expensive. The difference between …
Diamonds last forever, and one will always circulate. What kind of ad slogan is it? In 1951, the Thomson Chicago Company at the time began to create the classic work of De Beers-shaped “diamonds that last forever, and one is forever passed on”. The ad slogan “Diamonds are forever, and one is forever” caused controversy …
Diamonds last forever, and one will always circulate. Read More »
In recent years, 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 to 900 degrees Celsius), and have been more widely used in jewelry. Chemical vapor deposition synthetic diamonds are almost always brown …
1. In 2018, De Beers, the world’s largest diamond manufacturer, launched a new brand called Lightbox Jewelry, which will be the only jewelry brand under the group that uses technical synthetic diamonds provided by its subsidiary Element Six Diamond Laboratory. 2. Diama was founded in May 2016, and all its product series are made of …
Major brands of cultivating diamonds at home and abroad Read More »
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 Read More »
The most complete crystal octagonal gray diamond, 4.12 carats, 10.8*8*8mm, South Africa 0.67 carats, 7*4*2.5mm, South African diamonds 1.13 carats, 7*5*4mm, Central African Republic 1.76 carats, 7*6*6mm, Brazil 1.91 carats, 7*6*6mm, Brazil Brown octahedron, 7.19 carats, 12*9.5*9mm, South Africa Brown diamonds, two 5.63 carats, 7*6*6 and 7*7*6, Australia Gray slender octahedral crystal 1.68 carats 7*6*5mm …
