Sapphire cluster engagement ring. Modern unique ring with a blue sapphire, emerald, Australian opal, white diamond, and turquoise. Makes a colorful birthstone ring or special anniversary gift. ★Details Center gemstone: round blue sapphire Weight: approx. 0.9 ct Measurements: approx. 6mm Setting: prong Accent stones Turquoise: approx. 2mm Australian opal: approx. 3-3.5mm Emerald: 2mm Light yellow-green sapphire: approx. 1.25-1.3mm White diamond: approx. 2.5mm Diamond quality: G color, VS clarity,