Art Deco diamond illusion set studs. A matching pair, each set with one round old cut diamond in an open back claw setting, two in total with a combined approximate weight of 1.20 carats, to an elegant circular collet with an intricately scalloped illusion setting, fine curving claws and shaped backholing, fitted to reverse with a secure post and butterfly. Earrings tested platinum, butterflies marked 18 carat gold, English, circa 1930.
