Platinum dome ring set in its center with a round Old European cut diamond weighing approximately 0.8 carats of estimated quality IJ SI1 with no inclusions visible to the naked eye in a paving of old-cut diamonds of beautiful quality for approximately 4 carats. French work from the 1930s in the style of René Boivin.
Ring size 57, resizing possible
Width: 1.7 cm
Weight: 12.78 grams