Bague en or blanc 18 carats de forme jonc ornée en son milieu d'un saphir cabochon de 7 carats non chauffé et de Birmanie émeraudes diamants - certificats

Cabochon cut : Means a polished dome shaped gemstone stone, without facet.
Carat : The carat (ct) is a unit of mass equal to 2 g. Carat is used for measuring the weight of gemstones.
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.