An amethyst and diamond pendant Brooch

PROBABLY BY FABERGÉ, ILLEGIBLE MARKS, CIRCA 1890

Details
An amethyst and diamond pendant Brooch
Probably by Fabergé, illegible marks, circa 1890
Set with a cushion-cut amethyst within a rose-cut diamond frame enhanced by a rose-cut diamond bow suspending a pear-shaped amethyst and rose-cut diamond pendant of similar design, marked on pin