Art Deco diamond and black enamel ring, circa 1925.
Art Deco diamond and black enamel ring. Set to centre with a round old cut diamond in an open back rubover setting with an approximate weight of 2.00 carats, further set with eighteen round old cut diamonds in open back grain settings with a combined weight of 0.40 carats. The total approximate diamond weight is 2.40 carats, to a bombé design featuring a hemispherical black enamelled bezel with a geometric openwork gallery, millegrain edging and intricately pierced backholing, the raised tri-part shoulders flowing down to a solid D-shape shank. Tested platinum, engraved '6.1.25', circa 1925.