Lab Grown Emerald & Diamond Ring handcrafted in solid gold. Single 1.6 ct lab grown emerald 46 diamonds total 0.25 ct. Cushion cut. Available from sizes H to Z including half sizes. Size: 11.2 mm (0.44 in). Material: 9ct Gold. Total metal weight: 2.8 gr. 1 cushion cut lab grown emerald (8 x 8 mm) = 1.6 ct. 46 round cut diamonds (K colour I3 clarity) = 0.25 ct total. Colour: Green. Stone cut: Cushion Cut. Anniversary: 20th Anniversary 35th Anniversary. Birthstone: May.