A platinum and diamond ring
20th century
Centered by collet set old-cut diamond, within openworked old-cut diamond surround.
Central diamond weight approx. 2.00 ct
Colour ca. L/M, clarity ca. SI2-P1
Diamond surround approx. 0.40 ct
Gross weight approx. 4.7 gr.
Ring size 53/17
Measured, graded and weighed in the mount