Adler, a diamond rivière necklace, the 70 graduated emerald-cut diamonds weighing approximately

Adler, a diamond rivière necklace, the 70 graduated emerald-cut diamonds weighing approximately 77.00cts in total, the largest diamond stated to weigh 3.01 carats, claw-set in 18ct white gold, signed Adler and 750, length 37.5cm, case by Adler

Accompanied by a bound dossier of certificates by Jean-Marie Duroc-Danner, provided by Adler relating to every stone, dated June 1999