Featured in this lot is this art nouveau, European cut diamond platinum ring, circa 1890-1920's, with GIA and AIGL paperwork. The ring shows a polished, stamped, and tested platinum ring with a bright finish and a band that is tooled and decorated in an art nouveau style. The ring is mounted with a large, genuine natural round cut diamond, weighing 0.45 carats and showing I1 clarity grade with an F color grade. The ring is profusely decorated with a variety of sized 16 genuine natural round cut diamonds surrounding the center stone; the diamonds have a collective weight of 0.16 carats and show VS2-SI2 clarity with an F-G coloration grade. The piece comes complete with AIGL Inc. (American International Gemological Laboratories, Inc. a GIA certified lab AIGL#: K31E11-EA11802) report and appraisal, confirming the above info and giving a total value of $4,927.00. The ring size is US 7.