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Ring Size Chart
Find your ring size with our international size guide. Our Azura Jewelry sizes match standard USA/CAN sizes. If you don't know your size but have a ring to measure, click "Measure Ring".
Measure your existing ring as described below.

Unsure if the size will fit?
No worries. We offer free domestic exchanges on all orders.
INSIDE DIAMETER | US/CAN | UK/AU | EUROPE | JAPAN |
---|---|---|---|---|
15 mm | 4 | H | 46.5 | 7 |
15.3 mm | 4.5 | I | 48 | 8 |
15.6 mm | 5 | J | 49.5 | 9 |
16.2 mm | 5.5 | K | 50.5 | 10 |
16.6 mm | 6 | L | 52 | 11 |
16.9 mm | 6.5 | M | 53 | 13 |
17.2 mm | 7 | N | 54.5 | 14 |
17.8 mm | 7.5 | O | 55.5 | 15 |
18.1 mm | 8 | P | 57 | 16 |
18.5 mm | 8.5 | Q | 58 | 17 |
19.1 mm | 9 | R | 59.5 | 18 |
19.4 mm | 9.5 | S | 61 | 19 |
19.7 mm | 10 | T | 62 | 20 |
20.4 mm | 10.5 | U | 63.5 | 22 |
20.7 mm | 11 | V | 64.5 | 23 |

1.Select an existing ring that fits the desired finger.
2.Measure the internal diameter of the ring (in mm).
3.Use the below chart to determine your ring size.
Internal Diameter (MM) | USA & Canada | Adjustable Rings |
---|---|---|
15 | 4 | S |
15.3 | 4.5 | S |
15.6 | 5 | S |
16.2 | 5.5 | S |
16.6 | 6 | M |
16.9 | 6.5 | M |
17.2 | 7 | M |
17.8 | 7.5 | M |
18.1 | 8 | M |
18.5 | 8.5 | L |
19.1 | 9 | L |
19.4 | 9.5 | L |
19.7 | 10 | L |
20.4 | 10.5 | L |
20.7 | 11 | L |
Still not sure how to measure your ring?
No worries, we got you covered!
Check Our Ring Sizer Page.
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Handpicked Gemstone
Description
Embrace the power of your birthstone with our adjustable Birthstone Chain Ring.
Each ring features a birthstone nestled between two brilliant accents, finished with a delicate chain and a luminous pearl at the end. The adjustable design accommodates sizes up to 13, ensuring a perfect fit for any finger.
Whether you’re celebrating your own story or gifting it to someone special, the Birthstone Chain Ring makes a meaningful birthday gift, self-love piece, or personalized keepsake.
✨ Details:
✦ 3.5mm round-cut center birthstone
✦ White topaz accent stones
✦ Freshwater pearl
✦ Adjustable chain ring (fits up to size 13)
✦ 14K white or yellow gold vermeil (14K white or yellow gold plated over a sterling silver base)
✦ Hypoallergenic and nickel-free
✦ Exclusive Azura Jewelry design
Gemstones
January- Natural Mozambique Red Garnet
February- Natural Amethyst
March- Natural Aquamarine
April- Lab-Grown Moissanite
May- Natural Green Onyx
June- Lab-Grown Alexandrite
July- Lab-Grown Ruby
August- Natural Peridot
September- Lab-Grown Blue Sapphire
October- Natural Tourmaline
November- Natural Citrine
December- Natural Tanzanite
Measurements
✦ Gemstone: 3.5mm round center birthstone and 2.2mm round accent birthstones, 2.8mm round pearl
Complete the look:
Birthstone Chain Ring
- CUSTOMERS ALSO BOUGHT
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Got me and my sisters our birth stones we all love them.
Dainty and sparkly. Bought this for my sister's birthday and she loves it! I would recommend this ring to anyone who's looking for a dainty jewelry perfect for everyday wear.
This ring is beautiful and great quality. No more size guessing. A perfect birthday gift.
