Setting: 7 x 4 mm (0.3 x 0.2 in). Three-claw prong setting. Handcrafted in solid 9 carat yellow gold (2.30 gr). Natural heart cut Burmese sapphire (1 ctw) and diamond (0.01 ctw). The perfect Engagement Ring. September Birthstone gift. 5th Wedding Anniversary gemstone. Lifetime Warranty, Appraisal and Gift Box included.