Jewellery › Cushion-Shaped Sapphire and Old Mine-Cut Diamonds Six-Stone Stickpin Image 1 of 1 Cushion-Shaped Sapphire and Old Mine-Cut Diamonds Six-Stone Stickpin £1,450.00 Mounted in platinum and goldReference. SN5580 Add To Cart Added! Mounted in platinum and goldReference. SN5580 You Might Also Like Antique Diamond Bull Stickpin Edwardian Banded Agate and Diamond Shell Stickpin Pair of 18ct Gold and Diamond Square Cufflinks Pair of Cabochon Sapphire, Diamond and Blue Enamel Cufflinks Art Deco Diamond and Sapphire Jabot Pin