Sapphire, Diamond, Gold Necklace, Fabrizio Cantamessa The collar features round-cut blue sapphires weighing a total of approximately 37.00 carats, enhanced by round-cut pink sapphires weighing a total of approximately 31.00 carats, complemented by full-cut diamonds weighing a total of approximately 12.50 carats, set in 18k gold, marked for Fabrizio Cantamessa. Gross weight 109.60 grams. Dimensions: 13-1/2 inches x 7/16 inch tapering to 7/8 inch HID03101062020 © 2020 Heritage Auctions | All Rights Reserved