Art Deco Natural Pearl and Diamond Ring in Platinum. This one of a kind, three stone Art Deco ring features a natural pearl and .52 carats of diamonds in shimmering platinum. A creamy, ivory-hued pearl rests between two (2) .26 carat old European cut diamonds. The diamonds are bezel set in ornate basket mountings. The shoulders of the band have swirling engravings, finished in polished platinum.