Art Deco Platinum Tourmaline Diamond Ring

This is a beautiful original art deco ring set with a natural oval cut tourmaline with a halo of diamonds set in platinum. The tourmaline measures 11mm by 8mm nice color and clarity approximate weight 2.40 carats. There are 18 rose cut diamonds on the boarder. The ring has a filigree design, Ring size 6.5, Weight 2.9 grams