Setting: 7 x 4 mm (0.3 x 0.2 in). Three-claw prong setting. Handcrafted in solid 9 carat yellow gold (1.70 gr). Natural heart cut Brazilian emerald (1 ctw) and diamond (0.03 ctw). The perfect Engagement Ring. May Birthstone gift. 20th Wedding Anniversary gemstone. Lifetime Warranty, Appraisal and Gift Box included.