Early Art Deco Diamond Black Opal Platinum Topped 14 Karat Gold Ring bird jewelry With maker's mark and stamped

With maker's mark and stamped PLAT for platinum

and bright green enamel

Diamonds are end capped by a half bezel while gallery has a pierced half-moon motif

Classic Tiffany & Co

Early Art Deco Diamond Black Opal Platinum Topped 14 Karat Gold Ring bird jewelry With maker's mark and stampedRing designed with oval face and platinum milgrain shoulders Centering a bezel set oval slab of black opal measuring 15. 0 x 8. 3 mm Opal has strong play of color featuring flashes of green and blue Flanked by four old European cut diamonds weighing approximately 0. 10 carat in total eye clean Completed by highly polished shank Stamped 14k for 14 karat gold and milgrain tested as platinum Circa: 1920's Ring size: 4 1 4 and sizable Total weight: 3. 8