In the UK, size O corresponds to a US size 7 and EU size 54 3/4, with a circumference of 55.1mm, making it a popular choice, especially among women. Enjoy the added benefit of free UK delivery, free international shipping for orders over £500 and the option to resize many of our luxurious rings, ensuring your cherished piece will fit perfectly.
Discover the Elegance of Size O Rings
At Lancastrian Jewellers, we take pride in offering a splendid array of size O rings, each meticulously crafted to add a touch of sophistication to your style. Whether you're shopping for yourself or searching for a meaningful gift, our exquisite collection of size O rings is designed to leave a lasting impression.