Cushion cut blue sapphire weighing approximately 3.20cts. There are 14 round brilliant cut diamonds around the center blue sapphire that weigh approximately .70cts total. There are 4 blue sapphire baguettes that weigh approximately .40cts total. The mounting tests positive for platinum and the ring size is 7.25 and can be sized up or down. The top of the ring measures 16.20x13.15mm.