A pair of London blue topaz and diamond cluster studs, 18ct white gold, made as rectangular shaped cluster studs, each featuring a central rectangular cut topaz of classic London blue colour, weighing approximately 5.80ct, claw set within a fixed frame of claw set diamonds, additionally presented with a second removable frame of further diamonds, matched in size, totalling approximately 0.64ct, completed with pierced posts. A.T.D.W.: 1.26ct