An 18 Karat Yellow Gold, Diamond, Ruby, Emerald and Sapphire Collar Necklace, Italian, containing 144 round brilliant cut diamonds weighing approximately 7.34 carats total, seven oval cabochon cut emeralds weighing approximately 7.35 carats total, six oval cabochon cut emeralds weighing approximately 4.26 carats total, and six oval cabochon cut rubies weighing approximately 6.36 carats total. Stamp: 750 (Italian maker's mark). 172.90 dwts.