White gold necklace and tanzanite pendant

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.
White gold : White gold is an alloy of pure gold with copper, Zinc, Palladium or nickel.
Diamond : In mineralogy, diamond is an extremely rare, precious and hard (named after the ancient Greek "unbreakable") metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice.
Carat : The carat (ct) is a unit of mass equal to 2 g. Carat is used for measuring the weight of gemstones.