The Boble is an oval lab-grown blue sapphire and diamond three-stone ring in white gold, the central blue sapphire flanked by a diamond on each side for a bold cocktail-ring silhouette.
Crown dimensions: 5.1mm height x 10.6mm width x 4.0mm depth
Band dimensions: 2mm width x 1.6mm thick
International ring size conversion chart link. For cu...