Setting: 8 x 23 mm (0.3 x 0.9 in). Four-claw prong setting. Handcrafted in solid 9 carat yellow gold (1.50 gr). Natural round cut Brazilian emerald (0.5 ctw) & diamond (0.01 ctw). The perfect Engagement Ring. May Birthstone gift. 20th Wedding Anniversary gemstone. Lifetime Warranty, Appraisal & Gift Box included.