Setting: 6 x 4 mm (0.2 x 0.1 in). Four-claw prong setting. Handcrafted in solid 9 carat yellow gold (1.70 gr). Natural oval cut Brazilian aquamarine (0.45 ctw) and diamond (0.01 ctw). The perfect Engagement Ring. March Birthstone gift. 19th Wedding Anniversary gemstone. Lifetime Warranty, Appraisal and Gift Box included.