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IN-HOUSE VALUERS AND JEWELLERS.
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Discover the perfect fit for your ring by comparing its inside diameter across various international sizing systems. This way, you’ll find the ideal size, whether you’re shopping locally or globally.
Inside Diameter | UK & Australia Ring Size | EU Ring Size | US Ring Size |
|---|---|---|---|
14.4mm | F | 44 | 3 |
14.1mm | F 1/2 | 44 5/8 | 3 1/4 |
14.4mm | G | 45 1/4 | 3 1/2 |
14.6mm | G 1/2 | 45 7/8 | 3 3/4 |
14.9mm | H | 46 1/2 | 4 |
15.0mm | I | 47 1/8 | 4 1/4 |
15.3mm | I 1/2 | 47 3/4 | 4 1/2 |
15.6mm | J | 48 3/8 | 4 3/4 |
15.8mm | J 1/2 | 49 | 5 |
16.0mm | K | 49 5/8 | 5 1/4 |
16.1mm | K 1/2 | 50 1/4 | 5 1/2 |
16.3mm | L | 50 7/8 | 5 3/4 |
16.4mm | L 1/2 | 51 1/2 | 6 |
16.9mm | M | 52 1/8 | 6 1/4 |
17.0mm | M 1/2 | 52 3/4 | 6 1/2 |
17.1mm | N | 53 3/8 | 6 3/4 |
17.2mm | N 1/2 | 54 | 7 |
17.5mm | O | 54 5/8 | 7 1/4 |
17.9mm | O 1/2 | 55 1/2 | 7 1/2 |
18.0mm | P | 55 7/8 | 7 3/4 |
18.1mm | P 1/2 | 56 3/4 | 8 |
18.3mm | Q | 57 1/8 | 8 1/4 |
18.6mm | Q 1/2 | 58 | 8 1/2 |
18.9mm | R | 58 3/8 | 8 3/4 |
19.0mm | R 1/2 | 59 | 9 |
19.1mm | S | 59 5/8 | 9 1/4 |
Our versatile team of experts has over 150 years combined experience.
Our specialised team of in-house valuers and gemmologists provides accurate and to-the-minute information.
Our specialised team of in-house valuers and gemmologists will provide the most thorough information.
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Have questions, need guidance, or require additional information? Our dedicated team will get back to you promptly.