Metal: 14K Number of Diamonds: 13 Total Carat Weight (ctw): 3.39 Average Color: E-F Average Clarity: SI1 Center Stone Weight (ctw): 2.53 (SI-sapphire-Oval) Chain Length: 18 inch Chain Type: Cable Chain Clasp: Lobster Claw Setting Type: Prong Total carat weight (ctw) represents the approximate total weight of all diamonds in each jewelry and may vary -/+ 0.05ct. All Diamonds are Lab Grown Diamond.