David Yurman 18 Karat Yellow Gold and Multi Gem-set Pendant and Chain 18 karat yellow gold pendant bezel set with three round and cushion checkerboard cut and triangle cut Irradiated Topazes, approximate total topaz weight 12.30 carats, two round cabochon cut Turquoises, approximate total turquoise weight 0.50 carats, one triangle cut Iolite, approximately 0.66 carats, one cushion shape checkerboard cut Aquamarine, approximately 1.28 carats, one cushion shape checkerboard cut Chalcedony, approximately 1.01 carats, further accented with 32 full cut round Diamonds [H/VS], approximate total diamond weight 0.58 carats;17-1/2 inches long; Pendant: 54.00x48.00 mm.; Pendant with chain weighs 52.4 grams;