This vintage 10k yellow gold blue opal halo ring in size 5.5 exudes a timeless charm with its oval-shaped main stone and intricate halo setting. The beautiful blue opal with a rainbow color emits a fiery glow, making it a perfect choice for special occasions like anniversaries, birthdays, or Christmas. Crafted with yellow gold and weighing 2.77g, this ring is a unique piece of fine jewelry that adds a touch of nature-inspired elegance to any outfit.