SIZE GUIDE
B3SÂ uses the AU/UK standard sizing with letters.
Highly recommend going to your local jeweller or getting your own RING SIZER delivered to your doorstep to get sized up. This will give you the most accurate results, as you can try on different sizes easily and get the best fit for your fingers.
GOT A RING AT HOME?
If you're not keen on either options mentioned above, measure the inside diameter (mm) of a ring that fits, and use the conversion chart below. Please note that the measurement needs to be very precise as half a mm is the difference between a full size. Please make sure to measure the widest part of the ring (like the image below). If you’re not sure you can send us a photo of your ring on top of a ruler.
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CONVERSION CHART
FREE RING SIZER
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