HPHT – Is a treatment in high temperature of 2000 degrees and very high pressure and is done for 2 different aims: 1. Changing the color of the stone to white – the most common treatment. The treatment is done by a special device all over the world in places like: Russia, Canada, United States […]

Ffluorescent diamonds The diamonds develop in time ranges that differ from 900 million years up to 3 billion years. Throughout the developing process, there are changes in the atomically structure in part of the diamonds. Therefore about 30% of natural diamonds glow – usually in a bluish color, when they are under light that consists […]

The concept of cleavage treatment is to fill cleavages within a diamond with materials which have optical refraction similar to diamond. Some diamonds have opaque cleavages which do not allow light to pass through them, and are therefore visible to the naked eye. Injecting special materials into such a cleavage causes it to become translucent, […]

Fancy Colored Diamonds The fancy color diamonds are very rare. They are 1% of the entire diamonds in the world. There is no pricelist for fancy color diamonds. They are sold by the market preferences. Large fancy color diamonds are usually sold in auctions around the world and can reach very high prices. Only in […]