The product is a Tiffany & Co. 750 Stamped Gold Wedding Ring, made of 18k yellow gold with a round shape and no stone as the main stone. It is signed by Tiffany & Co. and is a band style ring, suitable for a wedding occasion. This ring is a timeless and elegant piece that represents love and commitment. It continues the tradition of quality craftsmanship and luxurious design that Tiffany & Co. is known for. Perfect for a special wedding ring or for adding a touch of sophistication to any outfit. Believed to be size 13, but not 100% sure. As is.