Though the gorgeous 1.45ct emerald is the star of the party in our Silvia ring, the accompanying gemstones that feature black diamond and white round ones are not to be neglected as these make up this perfect cluster ring perfect for May birthstone ring as a unique engagement ring. NOTE: The design can be made with gemstones of your choosing. Details Center stone Gemstone: Intense green emerald Shape: emerald cut Weight: 1.45 ct Quality: top quality Side stones princess cut black diamond: 5mm black round diamonds: 2 mm (2) Total carat weight 0.18 carat, color G, VS clarity Band measurements: approx. 1.6mm wide and approx. 1.5 mm thick Pictured in solid 18kt solid yellow gold but can be made also in 18kt rose gold, 14kt white gold or 14kt yellow, rose gold or white gold as well as in platinum.