Beautiful twisted cocktail ring-band by Oscar Heyman, New York, 1970s, crafted in solid 18K yellow gold with platinum accents and high polish. Features twisted gold wires and platinum sections set with 14 prong-set round brilliant diamonds (1.24 ct, E/F, VS1) and vivid Colombian green emeralds. Measures 22 x 15 mm (0.87 x 0.59 in), rises 8 mm, size 6.5 (resizable), weighing 6.98 grams. Stamped with maker’s mark, serial number, gold and platinum assay, and signed “HB 18K PLAT 97311.” Iconic modernist design. Very good conditions. All our diamonds and colored gemstones are naturally earth-mined. Any synthetic (lab-grown) stones will be clearly indicated in the description. Upon Request, Auction House may provide Ring resizing or/and appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.