Tiffany Co. Heart Cut Peridot set in 18K Gold originally engraved with I You on both side of the shoulders. Recently cleaned polished by Tiffany. Ring size US 5 / UK J / EUR 49 approximately. The gemstone is approximately 1ct, the stone dimension is approximately 5 mm x 5 mm and the width of the band is approximately 6mm. Hall marked Tiffany Co. 750 1993 Comes with original jewellery ring case and copies of the original paperwork. Perfect as a gift and ideal for an engagement ring or a wedding ring. Brand : TIFFANY CO.