A classic colorful ring by Boucheron, Paris, crafted circa 1960s–1970s in solid 18K yellow gold with elegant twisted wire detailing. The sculptural design is centered with a fluted sphere of natural Afghani blue lapis lazuli measuring 13mm and weighing approximately 6 carats, flanked at the sides by two curvilinear white coral carvings for a refined, organic composition. The ring weighs 9.95 grams, is currently size 6 (sizable), measures 13 x 23mm in top view, and rises 13mm off the finger. Stamped with French hallmarks including the eagle head assay mark and the Boucheron maître cartouche "Ste B," and signed "BOUCHERON PARIS," it is accompanied by a presentation jewelry box and supported by literature reference: Gilles Néret, Boucheron, Histoire d'une dynastie de joailliers, p. 199, fig. 303 (similar models from the same collection). Excellent condition with all gemstones secure. 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.