This is an authentic, pre-loved Chopard piece. It's possible that there may be some gentle wear. 18-karat white gold Faceted Round Brilliant-cut Diamond = approximately 0.25 ct. tw.; color = FG; clarity = VS Pendant drops approximately 16mm It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care.