The Core Sapphire ring round in 18 karat gold with a round white sapphire Kaleidoscope Shaker™ filled with loose blue sapphires. This ring is water resistant*. To preserve this piece, consult the care instructions. Description Ring with 0.63ct of sapphires enclosed in a white sapphire Kaleidoscope Shaker™ in 18 karat gold. Materials and Measurements • 0.63ct of Blue Sapphires • 18 Karat Gold • Shaker Size: 10mm • 1.5 mm Band Details • Made in New York City • Style # R792s