Magnifique bague marquise en or blanc 18ct (750 millièmes) ornée d'1 diamant rond brillant centrale de 0.5ct et de 20 diamants ronds brillants 0.006ct soit 0.12ct. Poids total des diamants 0.6ct. La bague est également composée de 22 saphirs de 0.01ct soit 0.22ct au total.

Brilliant cut : The modern brilliant cut was developed by Marcel Tolkowsky in 1919. It consists of 58 facets (or 57 if the culet is excluded). It is the most popular modern cut because it provides maximized light return through the top of the diamond.
Sapphire : Sapphire is a gemstone of the family of the mineral corundum. The most famous color for Sapphire is blue, but trace amounts of other elements can give yellow, purple, orange, or greenish sapphires. In the case of chromium impurities in corundum it would be called a called a Ruby. Sapphires are found in Sri Lanka, Myanmar or Australia.
White gold : White gold is an alloy of pure gold with copper, Zinc, Palladium or nickel.