Lab Grown Emerald Ring handcrafted in solid 18ct gold. Single 1.9 ct lab grown emerald. Oval cut. Available from sizes H to Z including half sizes. Size: 10.2 mm (0.4 in). Material: 18ct Gold. Total metal weight: 1.9 gr. 1 oval cut lab grown emerald (8 x 10 mm) = 1.9 ct. Colour: Green. Stone cut: Oval Cut. Anniversary: 20th Anniversary 35th Anniversary. Birthstone: May.