ATELIER GEORGES LENFANT - CIRCA 1935 RARE GEOMETRIC LAPIS LAZULI, NEPHRITE, CORAL AND ONYX NECKLACE It holds a trapezoid pendant set with two plaques of nephrite jade and lapis lazuli on the obverse and reverse. Framed by onyx and coral motifs. The clasp is also set with nephrite jade and lapis lazuli. Necklace with twisted links and onyx and coral discs. Mounted in 18K yellow gold. French work, hallmark of the Georges Lenfant workshop. Gross weight: 39.64 g. Dimensions of pendant (including clasp): 6.8 x 2.8 cm. Necklace length: approx. 50 cm. A 4-COMBINATION JEWEL This rare and ingenious necklace is signed by one of the greatest Parisian chain-makers of the second half of the 20th century. Georges Lenfant's workshop, first famous for its intricate links and collaborations with Van Cleef & Arpels, Cartier and Hermès, has created an avant-garde piece that is modular and resolutely modern. The hard stones - lapis lazuli, nephrite jade, coral and onyx - chosen for their bold colours, are set against a refined geometric structure, typical of the studio and found on certain bracelets from the 1930-35 period. Thanks to a reversible system, it offers four colour combinations - a technical and aesthetic daring for its time that makes it a real collector's jewel. A lapis, nephrite, onyx, coral and 18K yellow gold rare necklace by Georges Lenfant, circa 1935. French assay mark and Georges Lenfant maker's mark. Gross weight : 39,64 gr. Pendant dimensions (including bail) : 6,8 x 2,8 cm. Necklace length : 50 cm approx. A JEWEL WITH 4 COMBINATIONS This rare and ingenious necklace is designed by one of the greatest Parisian chain makers of the second half of the 20th century. Georges Lenfant's workshop, initially renowned for its complex links and its collaborations with Van Cleef & Arpels, Cartier, and Hermès, has created an avant-garde, modular, and resolutely modern piece. The hard stones-lapis lazuli, nephrite jade, coral, and onyx-chosen for their bold colors complement each other in a refined geometric structure, typical of the workshop, which can also be found on certain bracelets from the 1930s and 1935s. Thanks to a reversible system, it offers four colour combinations-a technical and aesthetic boldness for the time, making it a true collector's item.