A breathtaking vintage cocktail ring crafted in luxurious platinum, showcasing a vivid 2.94-carat oval-cut ruby of African origin. The ruby glows with a rich crimson hue and is encircled by an opulent bombe-style cluster of 5.69 carats of round brilliant-cut diamonds. The diamonds are expertly set in graduated layers, creating a radiant, multidimensional effect that enhances the center stone’s intensity. This exquisite ring is stamped “PLAT” and exemplifies the sophistication and bold elegance of mid-20th century fine jewelry. Worn by actress, Elizabeth Olsen at the InStyle Image Maker Awards in October 2025.