This beautiful rare ring by the iconic Oscar Heyman Company, New York City, features solid 18K yellow gold with high-polished finish, embellished with 13 graduated emerald-cut natural vivid red rubies (1.40 carats total) in channel setting and 22 graduated round brilliant-cut diamonds (1.24 carats, E/F color, VS-1 clarity) in flush-prong settings, weighing 8.95 grams (5.74 dwt.) and measuring 22 x 12mm (0.87 x 0.47 inches) with 5mm rise over finger, size 7.5 (resizable upon request). Stamped with maker's mark "HB 36175 18KT" 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.