A Platinum and Diamond Necklace, Circa 1915, consisting of a central pendant containing one old mine cushion cut diamond weighing approximately 2.66 carats and ten old mine cut diamonds weighing approximately 2.10 carats total, suspended from a platinum bar link chain interspersed with ten bezel set old European cut diamonds weighing approximately 0.55 carats total, white gold spring ring clasp. 6.60 dwts.