Tiffany & Co necklace for sale in Highlands Ranch Colorado! 925 sterling silver , Weighs just under 3 ounces of sterling silver 925. Tiffany jewelers retail the Somerset necklace for $925 to $950 plus tax, my price is $250 Please Text Tiffany necklace to Brian the Centennial Gold buyer at . Trade your old 14k gold for some thing newer!