Diamond and natural pearl necklace, French, circa 1870

Designed as festoons of old-mine diamonds supported by a box-link band interrupted by florets, the center suspending 3 natural pearl drops of light gray color measuring approximately 21.5 by 13.9 by 10.7 mm. to 21.0 by 10.4 by 8.3 mm., the whole set with 310 old-mine and rose-cut diamonds weighing approximately 50.00 carat, mounted in silver and gold, length15 ½ inches, assay mark. 

Accompanied by GIA report no. 13684700 stating that the pearls are natural and of natural color.