Jewellery › Diamond Trefoil Stickpin Image 1 of 1 Diamond Trefoil Stickpin £1,150.00 Millegrain-set throughout with old mine-cut diamonds76.0mm in length Reference. SN6937 Add To Cart Added! Millegrain-set throughout with old mine-cut diamonds76.0mm in length Reference. SN6937 You Might Also Like Pair of 18ct Gold Queen’s Royal Lancers Cufflinks 19th Century Pearl and Gold Claw Stickpin Gold Bulldog Stickpin Pair of Antique 18ct Gold Cufflinks Antique Enamel French Bulldog Stickpin