Vintage Art Deco Black Onyx & Diamond Men’s Ring with 8 Diamonds in 925 Size 11. This vintage men’s Diamond Ring is a stunning piece of art deco jewelry. Crafted from high-quality 925 sterling silver, it features a large, bold black onyx stone at its center, surrounded by eight sparkling diamonds. The intricate metalwork and attention to detail make this ring a true work of art. The ring is a size 11 and would make a great addition to any collection. It is perfect for anyone who appreciates vintage and antique jewelry, or for someone looking for a unique and stylish accessory. The black onyx stone and sterling silver metal make this ring versatile and suitable for any occasion.