Vintage CNA Sterling Silver Filigree Garnet Ring Size 6

This is a stunning sterling silver filigree ring with red stones (possibly garnet or amethyst, not tested) and a diamond (also not tested) at the center designed by CNA. Measurements: Size 6; Shank measures approx. 1 mm. Front of ring measures 14 mm x 10 mm. Ring sits 22 mm high off the finger. Red stone measures 10 mm x 7 mm. Weight: 5.3 g Condition: In good condition Hallmark: 925 CNA Thailand