1ct moissanite, PT950 Solid Platinum ring. the shape is round brilliant cut. clarity, flawless. Cut, Excellent. polish, Excellent. symmetry, Excellent. This is a beautiful ring , and comes in a beautiful presentation box. It comes certified stamped ,PT950. and comes with a certificate of the quality of the moissanite. And They are moissanites on the ring itself. I only have this ring in size 7 so please be sure of ring size before buying. It is of excellent quality at a very generous price. please be sure to send me a message if you have any queries. many thanks.