David Yurman Sterling Silver Blue Topaz & Diamond Cushion On Point Necklace. The necklace is in excellent used estate condition and ready to wear and comes with its Yurman pouch. The piece is signed D.Y. 925 on the pendant and the applied tag on the chain. The pendant measures 1.25" x 1" and the chain measures 18" long and the entire piece weighs 15 grams