Elegant Art Deco necklace in chainwork with small natural pearls

measuring approx. 2.00–2.50 mm, interspaced with geometrically shaped platinum elements set with about 313 old European-cut diamonds weighing approximately 3.50 ct in total. Rectangular onyx pendant featuring a glass-paste sphinx surrounded by rose-cut diamonds; on the reverse, an oval photo locket. Length 68.5 cm.
IGN certificate no. 05594 dated 30 January 2008