Cocktail ring designed by Pierre Sterlé. Gorgeous cocktail ring, created in Paris France during the postwar period back in the 1950. This voluptuous and unique ring is a very rare one, designed by Pierre Sterlé and carefully crafted with intricate elements and detailed wires made up in solid yellow gold of 18 karats with platinum accents for the setting of the diamonds. It is embellished with a great assortment of sixty-two natural earth mined diamonds and Colombian emeralds. Very French look with chic and elegant style and very wearable, it is a great addition to your jewelry collection. Emerald: Mount in the center, with 1 oval cabochon cut (24.4 x 17 x 13.72 mm) of a natural Colombian green emerald of 40.73 carats. Emeralds: Mount in four-prongs settings, with 10 round faceted cut of natural green emeralds, 0.86 carats. Diamonds: Mounted in four-prongs and pave settings, with 52 European round brilliant cut diamonds, 1.84 carats, white colorless F color, VS-2 clarity. Birthstone: Emerald for the month of May. Weight: 23.40 Grams, (15.1 Dwt.). Size: 5.5 and may be easily sized on request. Measurements: 28 mm by 24 mm (1.02 x 1.02 Inches) and raise 15 mm over the finger. Hallmarks: Stamped with French marks; the head of the eagle and the dog for the assay and warranty of the 18kt gold and platinum respectively, the maker's maitre mark Ste S. inside a lozange cartouche associated to Pierre Sterle, the four digits serial numbers and signed, "STERLE