The ring in the image is an exquisite piece of jewelry with captivating details. A large, clear, oval-shaped CZ (Cubic Zirconia) stone, brilliantly reflecting light. Numerous smaller CZ stones encircle the central gem, enhancing its sparkle. The silver-toned band features intricate designs, adding to the ring’s elegance. The ring is marked NV, which could stand for Nevada Silver Mines. It has not been tested.