Cocktail ring with amethyst, 6 transitional-cut diamonds and 10 octagonal diamonds,

Cocktail ring with amethyst, 6 old-brillant-cut diamonds and 10 single-cut diamonds, totalling ca. 0.70 ct, of which 2 central diamonds each ca. 0.15 ct, ca. WHITE-TW (H-L)/SI-P, amethyst in buff-top-cut, ca. 11.6 x 9.5 mm, table slightly abraded, 14K red gold/white gold, 6,5 g, ring size: 49, W: ca. 3.7 - 14.7 mm, mid-20th century, very good considering its age condition, with hallmark, beautiful Ajour-work, handcraftedwork.