Art Deco 14K yellow gold natural Emerald cut Amethyst Filigree ring 11.8gm 5.75

This statement ring is from early century, circa approx. 1930-1940's. Crafted in 14K yellow gold, no hallmark, tested. One step cut rectangular shape Amethyst, 15.8 x 11.8mm, basket setting in an ornate filigree ring top. The frame has scrolled etching, milgrain bead along the border. The base of the frame with four sides leant forward center, it also has scrolled detail etching. Scroll etching on the split shank, a classic Victorian design ring. Ring top is 26.3 x 20.0 x 10.5mm in size. ring size 5.75; weight 11.8gm. Please review all the photos for the detail and feature of the ring.