This is an authentic pre-loved, Roberto Coin piece. It may be possible that there is some gentle wear. Part of the Icy Collection designed by Roberto Coin .925 sterling silver Round pave-set diamonds = 0.45 ct. tw.; color = G-H; clarity = VS Pendant approximately 0.50in wide x 1in long Chain approximately 16in long x 0.30in wide Lobster claw clasp 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. Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined.