TIFFANY & CO Sterling Silver Pearl Infinity Figure Eight 16 Inch Long Necklace. This stunning fully knotted necklace measures 16 inches long and weighs a very substantial 33.9 grams. It is engraved: TIFFANY & CO 925 1999. It is in excellent condition and comes in it's Tiffany suede storage pouch. It is perfect for the collector. Absolutely gorgeous! Please visit my eBay store for interesting estate jewelry. Thank you.