Roberto Coin 18kt white gold Cento Diamond “O” pendant with chain. The primary diamond is a Round brilliant cut weighing .23 ct, color H and clarity IF. The diamond has a certificate and is laser inscribed on the girdle RCCento 02768. The pendant also has a double row of diamonds and two additional diamonds bezel set above the primary diamond with an approximate total diamond weight.80 cttw; average color G and average color SI-1. The chain is 16 inches long and finished with a lobster clasp ( a small faceted Ruby is burnish set in the lobster clasp) The pendant and chain together weight 15.22 grams. *** certificate is included, NO RC box available. ***please view pictures carefully. This necklace is in fantastic shape, but there may be tiny scratches on pendant and chain.