This antique 1940s European cut Diamond & Onyx 10k Solid Yellow Gold Mens Ring is a vintage piece of jewelry that exudes elegance and sophistication. Crafted in the United States, this retro-inspired ring features a natural yellow onyx stone set in 10k solid yellow gold. With a ring size of 9.5, this unique and stylish piece is perfect for men looking to add a touch of luxury to their collection.