Explore ring band widths from 2mm to 7mm and discover the perfect combination of comfort, elegance, and personal style. From slim and delicate designs to bold statement looks, each width offers a unique appearance and feel.
Use our visual comparison guide to find the band size that best matches your everyday style and preference.
Easily compare ring sizes across different international measurement systems. Use this guide to find your perfect fit with accurate diameter and circumference details.
| USA & Canada | UK / Australia | Japan / India / China | Europe | Diameter & Circumference (mm) |
|---|---|---|---|---|
| 3 | F | 4 | 4.25 | 14.05 / 44.14 |
| 4 | H | 7 | 6.75 | 14.88 / 46.80 |
| 5 | J 1/2 | 9 | 9.25 | 15.70 / 49.30 |
| 6 | L 1/2 | 11 | 11.75 | 16.51 / 51.90 |
| 7 | N 1/2 | 14 | 14.5 | 17.32 / 54.40 |
| 8 | P 1/2 | 16 | 17 | 18.14 / 57.00 |
| 9 | R 1/2 | 18 | 19.5 | 18.95 / 59.50 |
| 10 | T 1/2 | 20 | 22 | 19.76 / 62.10 |
| 11 | V 1/2 | 23 | 24.75 | 20.57 / 64.60 |
| 12 | X 1/2 | 25 | 27.25 | 21.39 / 67.20 |
| 13 | Z1 | 27 | 29.75 | 22.20 / 69.70 |
| 14 | Z3 | - | 32.25 | 23.01 / 72.30 |
| 15 | - | - | 34.75 | 24.23 / 76.10 |
Choose the Right Time to Measure
Finger size can slightly change throughout the day, so measuring later in the day usually gives a more comfortable fit.
Avoid Extreme Temperatures
For accurate sizing, make sure your hands are at a normal room temperature before measuring.
Take Multiple Measurements
Measure your finger a few times to ensure consistent results and better accuracy.
Check with a Size Guide
Match your measurements with a ring size chart or conversion guide to find the perfect size.
At LABART DIAMONDS, we make choosing fine jewelry easy, comfortable, and stress-free.
Yes. At LAB ART DIAMONDS, we are committed to ethical sourcing and responsible craftsmanship. Our lab-grown diamonds and carefully selected gemstones are obtained from trusted suppliers who uphold strict quality, sustainability, and ethical standards, giving you complete confidence in every purchase.
To keep your jewellery looking its best, clean it regularly using warm water, mild soap, and a soft brush or lint-free cloth. Avoid contact with harsh chemicals, perfumes, lotions, and household cleaners. When not in use, store each piece separately in a jewellery box or soft pouch to help prevent scratches.
Our collections are designed to suit every style and occasion. You can explore our detailed product descriptions, size guides, and jewellery collections to find the perfect piece. If you need additional guidance, our customer support team is always available to help you make the right choice.
We craft our jewellery using premium-quality materials, including solid gold, sterling silver, platinum, ethically created lab-grown diamonds, and carefully selected gemstones. Every piece is designed for exceptional beauty, durability, and everyday wear.
Absolutely. We offer a range of customization options, including engravings, metal selection, gemstone choices, and bespoke jewellery designs. Whether you're creating an engagement ring or a meaningful gift, our team will work with you to bring your vision to life.
Yes. Every LAB ART DIAMONDS jewellery piece is backed by our quality guarantee against manufacturing defects. If you experience any craftsmanship-related issues, our team will be happy to inspect your jewellery and provide the appropriate support. Please contact us for complete warranty details and coverage.
