Natural Pearl and DIamond Bow Necklace/Brooch Combination

The center decorated with a ribbon bow with articulated ends, circa 1915, set with natural pearls and old European-cut diamonds, the double-strand necklace composed of 107 additional natural pearls measuring approximately 6.3 to 3.3 mm., spaced by faceted diamond beads, the total diamond weight approximately 36.00 carats, mounted in gold and platinum, length 19 inches, bow detachable, accompanied by a gold brooch pin fitting. With fitted box for the bow. 

Accompanied by GIA report no. 14881000 stating natural pearls.