Diamond Ring handcrafted in solid 18ct gold. Single 0.1 ct diamond. Round brilliant cut. Available from sizes H to Z including half sizes. Size: 5.1 mm (0.2 in). Material: 18ct Gold. Total metal weight: 4.1 gr. 1 round brilliant cut diamond (K colour SI1 clarity) = 0.1 ct. Colour: Clear. Diamond colour: K. Stone cut: Round Cut. Anniversary: 10th Anniversary 60th Anniversary. Birthstone: April.