A Collection of Sterling Silver, Yellow Gold and Multi Gem Jewelry, David Yurman, consisting of a sterling silver and 14 karat yellow gold ring containing one cushion shape checkerboard cut blue topaz measuring approximately 12.25 x 14.50 mm and two oval cabochon cut amethyst, together with a sterling silver and bonded 18 karat yellow gold "Cordelia" curb chain necklace.Necklace stamp: DY. 925 1/4 750 (makers mark for David Yurman).Ring stamp: 14K 585. 39.50 dwts.