Art Deco J.E. Caldwell Platinum Onyx & Diamond Ring DREICER & CO. The prongs have been rebuilt

The prongs have been rebuilt but they do not distract from the ring's best qualities

The mounting is constructed with a low

This Antique Edwardian ring is set with 3 old mine cut cushion diamonds within a navette shape with a rose cut diamond surround

74 carat old European-cut diamond with GIA certificate stating the diamond is K color/SI1 clarity

Art Deco J.E. Caldwell Platinum Onyx & Diamond Ring DREICER & CO. The prongs have been rebuiltArt Deco platinum ring by J. E. Caldwell, circa 1930, set with two half moon cut onyx within a double halo of old European cut diamonds. The openwork geometric design is finished with millegrain detailing along the edges. A striking example of J. E. Caldwells precision craftsmanship during the height of the Art Deco period. Details Item 8892 Two half moon onyx and single cut diamonds Platinum Front and center measures 6. 1mm tall, with a 1. 15 1. 7mm