Outstanding Oscar Heyman cluster cocktail ring, New York City, masterfully crafted in solid platinum with a high-polish finish. Centered with a rare natural vivid green Brazilian tourmaline in a six-prong setting (round brilliant, 8.2 x 8.2 x 5.5mm; approx. 2.00 ct) and accented with 12 diamonds: 10 straight baguette diamonds in side settings totaling approx. 1.30 ctw plus two marquise brilliants in V-settings totaling approx. 0.40 ctw (E/F color, VS1 clarity). Weight 8.95g; size 6.5 (sizable); measures 20 x 17mm and rises 9mm. Stamped with Oscar Heyman “HB” maker’s mark, serial no. 3145, and signed “HB 3145 10%IRID PLAT”. 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.