Transformations necklace in 18K (750°/°°) yellow gold and platinum (850°/°°) with oval links and alternating cartouches, the central motif, removable by a screw system, with a scroll design is set with lines of rose-cut and old-cut diamonds, the main ones measuring approximately 0.85 ct and 0.40 ct. In a blue morocco case monogrammed M.C, from the famous firm of "A.RISLER & CARRE" in Paris (worn), fitted with a trapdoor concealing a pendant mount and an 18K (750°/°°) yellow gold brooch mount for the central motif, an additional link for the necklace (a few additional links in a fold), a metal hairpin to hold the motif and its screwdriver. Early 1900s Gross weight: 20.6 g