Setting: 13 x 27 mm (0.5 x 1.1 in). Four-claw prong setting. Handcrafted in solid 9 carat rose gold (3.10 gr). Natural octagon cut Madagascan sapphire (7.25 ctw) and diamond (0.02 ctw). The perfect Engagement Ring. September Birthstone gift. 5th Wedding Anniversary gemstone. Lifetime Warranty, Appraisal and Gift Box included.