This fabulous statement cocktail ring by Mikimoto, Japan, features a 12mm cultured round black pearl mounted on top, crafted in solid 18K white gold with high-polished and black rhodium finishes, embellished with 77 round brilliant-cut diamonds (0.59 carats, F color, VS clarity) in pavé settings and 18 oval cabochon-cut natural vivid red rubies (8.74 carats total) in four-prong settings, weighing 20.95 grams (13.45 dwt.) and measuring 29 x 22.5mm (1.14 x 0.89 inches) with 16mm rise over finger, size 6.5 (resizable upon request). Stamped with Mikimoto's encircled M mark and "M .750 18KT D-0.59 R-8.74" 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.