This Vintage Black Onyx Gemstone Gold-Toned Classic Cocktail Charm Ring in size 12 exudes timeless elegance and charm. The round black Onyx stone set in yellow gold metal adds a touch of sophistication, making it a perfect accessory for special occasions like anniversaries and birthdays. The ring is nickel-free and adjustable, ensuring comfort and ease of wear. With its vintage appeal and classic cocktail style, this ring is a beautiful addition to any jewelry collection, offering a sense of beauty and artistry that is sure to be admired.