Find your best fit / Be in your element

Jewellery Size Guide

We know it can be difficult to order jewellery online without trying it on. To help make your jewellery selection easier, we have created size guides for rings, necklaces, bracelets and earrings. Check out Oia jewellery size guides now and find the perfect size for all your favourite jewellery.

Still Unsure?

Our Customer Support team can help with any other questions you have about finding the right fit. Reach out to us here.

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Free UK Shipping Over £65
Pay with Klarna
Easy Returns
Free UK Shipping Over £65
Pay with Klarna
Easy Returns

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