A pair of London blue topaz & diamond trillion cluster studs, 18ct white gold, made as a modern pair of cluster studs of good size, each featuring a trillion cut London blue topaz of intense teal blue colour weighing approximately 5.50ct, claw set within a frame of small brilliant cut diamonds, totalling approximately 0.30ct, fitted with pierced posts. A.T.D.W, 0.60c t.