Antique old mine diamond studs. A matching pair, each set with a cushion shape old mine diamond in an open back claw setting, the two with a combined approximate weight of 2.20 carats, to a finely pierced collet with curving claws and open backholing, fitted to reverse with a secure post and butterfly. Earrings tested rose gold with platinum settings, butterflies marked 18 carat yellow gold, circa 1905.
