A DIAMOND RING, BY JEAN SCHLUMBERGER, TIFFANY & CO.

A DIAMOND RING, BY JEAN SCHLUMBERGER, TIFFANY & CO.
Set with a circular-cut diamond, within a circular-cut diamond overlapping surround, to the circular-cut diamond bifurcated shoulders, mounted in platinum, in a Tiffany & Co. black suede box
Signed Schlumberger for Jean Schlumberger, Tiffany for Tiffany & Co.