Ring Sizing

We know it can be tough to order a ring online without trying it on. But don't worry, we are here to help. We created clear and simple instructions for you to find your own ring size here. Please print this out on A4 to measure your ring size accurately.

Do you already know your size? Please use this size conversion chart to find the correct Oia ring sizes.

Ring Size Conversion Chart

Oia Sizes	MM	Inches	UK	Europe
5	15.49	0.60	J	48.5
6	16.31	0.64	L	51
7	17.53	0.69	O	55
8	18.34	0.72	Q	57
9	19.15	0.75	S	59.5
10	19.81	0.78	U	62.5

Oia Boutique Sustainable Gold Jewellery - Recycled18k Gold Plated

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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.