Ruby Ring handcrafted in solid sterling silver. Single 1.35 ct genuine ruby. Round cut. Available from sizes H to Z including half sizes. Size: 6.4 mm (0.25 in). Material: Sterling Silver. Total metal weight: 3.1 gr. 1 round cut ruby (6 x 6 mm VS1 clarity) = 1.35 ct. Colour: Red. Stone cut: Round Cut. Anniversary: 15th Anniversary 40th Anniversary. Birthstone: July.