This beautiful vintage ring by Van Cleef & Arpels, Paris, circa 1973, features geometric checkerboard patterns crafted in solid 18K yellow gold with high-polished finish, set with 30 round brilliant-cut diamonds (1.45 carats, D/E color, VVS-1 clarity) in French pavé setting and three fancy cabochon-cut black onyx gemstones, weighing 7.75 grams (4.97 dwt.) and measuring 10 x 22mm (0.39 x 0.87 inches), size 6. Stamped with French marks and "VCA ©73 FRANCE 18KT 5V20172"—a refined example of Van Cleef & Arpels' geometric modernist design and exceptional French jewelry craftsmanship. 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.