Bague en or jaune 18 carats ornée d’un diamant noir coussin carré de 1.55 carat.

Yellow gold : Yellow 18K gold is an alloy contianing 75% of pure gold, whereas 14K gold contains only 58,5% of pure gold.
Cushion cut : The cushion cut is a rather rare cut that could be defined as a combination between the antique Old Mine Cut and the modern oval cut.
Color : White diamonds color range from D (colorless, the purest white) to Z (light color). D, E and F are colorless diamonds, G, H , I and J are near colorless , K and L are faint color, M to Z have a light color.
black diamond : Rare diamond with a black color