NEW Rose de France amethyst art deco sterling silver ring size 8

This is a brand new ring without original tags or packaging.  Genuine Moroccan rose de France amethyst oval cut gemstone prong set in an authentic 925 sterling silver setting plated with platinum. White accent stones are topaz. Total ctw is 3.60. Total weight is 4.0 grams. Measures a size 8. Djoy. Made in India. Estimated retail value is $350. Reasonable offers considered