3CT BOULDER OPAL & WHITE SAPPHIRE RING: This large attractive ring, styled in 14k white gold, features three Australian Boulder Opals bezel set in a clustered spray with white sapphire accents. Swirling elegant lines create a unique flowing ring with flare. Opal doublet consists of a layer of opal permanently bonded to a layer of the host rock of ironstone. Retail Value $789.00