Setting: 16 x 25 mm (0.6 x 1.0 in). Halo setting. Handcrafted in solid 9 carat yellow gold (3.30 gr). Natural marquise cut Arizona peridot (2 ctw) and diamond (0.15 ctw). The perfect Engagement Ring. August Birthstone gift. 16th Wedding Anniversary gemstone. Lifetime Warranty, Appraisal and Gift Box included.