A fine crystal cabochon oval opal displaying harlequin patterns in a full range of colours from green to blue, orange to red. The cabochon opal is claw set in 18ct yellow gold within a border of round brilliant cut diamonds claw set in platinum. The ring is embellished with a split shank. Estimated opal weight: 4.63cts. Estimated total diamond weight: 1.28cts. Assessed diamond colour: G-H. Assessed diamond clarity: VS.
