1. the overall naked eye is rough stone crystal shape, rough stone about 30 carats, the quality of the color of the whole stone from the color level above is very white, high color level is probably DEF color level. 2. Observe the distribution of defects of rough diamond stones under the microscope, and mark …
Diamond cutting decryption, from rough stone to diamond finished products Read More »
The naked eye identification of rough diamonds should start from the following aspects: (1) Observe the gloss Because a diamond has a special diamond luster, it is an important feature to distinguish other colorless and transparent minerals (or materials). Although some artificial materials are close to diamonds in some physical and chemical properties, they can …
The claim that lab grown diamonds are cheaper is a bit exaggerated, but they are cheaper than natural diamonds. The so-called no one buys lab diamonds? At present, the foreign market has a high acceptance of cultivated diamonds, and the domestic market has a certain audience. It depends more on whether we know what a …
The lab grown diamond price is very cheap! Why is no one willing to buy it? Read More »
In 2018, the first year of Chinese diamond cultivation, the three-year boom accounted for almost half of the world’s total production. As a consumer, it is a new thing. What is it really like to grow a diamond? With every new thing comes a bumper harvest of leeks. If we grow diamonds, let’s be honest, …
If I’m being honest with you about diamonds, the chances of a pothole are zero. Read More »
(1) The CVD technology is advanced, the purity is high but the color is poor, so it is used in the high-tech field: Large particle size: At present, all bare diamonds above 1.5ct are produced by CVD technology; Color difference: In order to increase production capacity, manufacturers will add nitrogen to accelerate the growth of …
1. Grading based on crystal morphology and location of flaws Generally divided into the positive crystal, distorted crystal, triangular flake, contact twin crystal, and aggregate form. Among them, the business is divided into: Stones: Refers to high-quality diamonds over 1 carat. Fancy Colours: The color of these diamonds does not include colorless with blue or …
