Sterling Silver Blue Topaz Filigree Ring with 2 Sapphires. Handcrafted in the Art Deco style, this filigree ring features a large blue topaz stone flanked by coordinating sapphire gemstones. The elegance of the sterling silver filigree setting gives this ring its distinctive flair. Blue topaz is the anniversary stone for the fourth wedding anniversary, and this ring makes a great gift for any occasion. Sapphires are the birthstone for September and the fifteenth anniversary stone. This item is new and a quality sterling silver antique and collectible reproduction.