circa 1950
A platinum cluster ring is bezel-set with a cabochon cut midnight blue sapphire surrounded by ten sparkling old mine cut diamonds, H-I-J color, VS1-SI1 clarity.
The shank is struck inside with 900 platinum mark and diamond / sapphire weight.
Total diamond weight 2.43 Ct
Sapphire 4.15 Ct
Sapphire and diamond cluster measures 19 x 16 mm (3/4 x 5/8 in.)
Ring size 6.75 (17 mm) sizable
