Centering a Mazarin cut diamond weighing app. 1.25ct., in a closed back, cut down collet mounting, set on its axis, flanked and crowned by five Mazarin cut diamonds weighing app. 0.70ctw., with detailed shoulders, fashioned in 18k & silver. Circa 1810. Size 8.75*Due to the closed back setting method, this ring should be kept out of contact with moisture. Cleaning this ring in any manner involving liquid or steam is not recommended.
