Ultra-modern one-of-a-kind Spatialism ring, Italy, 1970s, crafted in solid 18K yellow gold with white gold details and mirrored polish. Features an open geometric design with a floating yin-yang sphere—half carved natural red Italian coral, half pavé-set with 62 round brilliant diamonds (1.55 ct, E/F, VS1). Top view diameter is 31 mm (1.22 in), rises 26 mm, size 6.75 (resizable), weighing 39.5 grams. Stamped with Italian assay hallmarks, “ITALY .750 18 Kt.” Rare and visually striking modernist art jewel. 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.