18ct Gold & Platinum Art Deco Stepped Diamonds RingA stunning antique 18ct gold and platinum Art Deco ring from the 1920's. It has thirteen diamonds in total one central clear and sparkling larger diamond approx 0. 20ct and twelve smaller diamonds. The smaller diamonds are split between the two sides of the ring which are on stepped and graduating platforms, framing the ring perfectly. The sides of the ring show a beautifully intricate mechanical design which is really unusual and unique (please see