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18ct gold, aquamarine, sapphire and diamond brooch, Tiffany & CoEstimate $23,000 - $28,000. Photo Sotheby's.

Designed as a starburst centring a cushion-cut aquamarine weighing approximately 23.00 carats claw-set within a surround accented with circular-cut sapphires between brilliant-cut diamonds, the sapphires and diamonds together weighing approximately 4.40 carats and 3.00 carats respectively, approximately 50 x 45mm, signed Tiffany & Co.

Sotheby's. Important Jewels, 31 Aug 2015,  Sydney, 6 PM