Ring in platinum (950), the octagonal, scalloped bezel set with an old-cut diamond in a closed setting surrounded by eight old-cut diamonds in a grained setting, the border highlighted by a filet of calibrated onyx in a pearl rail setting. French work, circa 1920. Gross weight: 6.9 g. - Finger circumference: 55. Missing onyx baguette, scratches on some stones, chips, wear scratches.