A pair of Columbian emerald and diamond cushion shaped studs. 18ct white gold, made as modern large cushion shaped stud earrings, each centred by a square emerald cut Columbian emerald of bright light green colour, weighing approximately 2.05ct, claw set within a smooth cushion shaped frame of twelve brilliant cut diamonds with gold work spacing each stone, totalling 0.34ct, fitted with pierced posts.