Fine and Important Aquamarine and diamond necklace, Cartier, 1912 - Sotheby's. Necklace of Olga Karnovich Princess Paley, the second and morganatic wife of Grand Duke Paul Alexandrovich of Russia Tsar Alexander III's brother.
ictorian-era aquamarine and diamond necklace in silver over gold. A graduated array of pear-shape and cushion-shape aquamarines totaling approximately 150 carats circa necklace also contains carats of old-mine cut and antique cushion-cut diamonds.
An aquamarine, diamond, platinum and eighteen karat gold necklace the pendant suspending an emerald-cut aquamarine and a European-cut diamond, accented by a central plaque set with pear-shaped aquamarines and single-cut diamonds, completed by a link chain