Duchesse ring in platinum 850 thousandths featuring a central cabochon ruby approx. 10 ct (indications of treatment, minor chips) in a setting of twenty-nine modern brilliant-cut diamonds, the largest old-cut approx. 0.70 ct. Ruby size: 16.9 x 10.7 x 7.5 mm Total estimated diamond weight: 1.50 ct Finger: 54 - Gross weight: 11.3 g