David Yurman Noblesse Ring 14k 585 Yellow Gold 925 Sterling Silver Blue Topaz Size 6 5.811 ct. Exquisite 14K 585 and 925 sterling silver ring Is a style that is no longer made! Total weight is 10.19 grams, and the gorgeous sapphire is approx. 5.811 & measures approx. 150mm x 100mm x 50mm. The 585-gold stamp was stamped over the top with the 925 which is visible with a jewelers loupe also the DY is stamped under the 585. This will be shipped in a gift box. (XY 336). If you purchase multiple items, we will try to combine them so that your shipping is cheaper. See the other great Estate Jewelry, antiques, tin types, and collectibles we have for sale at ka_murf.