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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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New York Craftsmanship

Gift-wrapped Ready

Handpicked Gemstone
Description
A love story carved in gold—Seraphina’s Vow is a breathtaking vintage-inspired engagement ring designed for those who believe in forever. Featuring a brilliant center stone of your choice flanked by two round side stones, this elegant three-stone ring symbolizes the past, present, and future of your love.
Intricate scrollwork detailing wraps around the band, evoking the romance of antique heirlooms and the craftsmanship of a bygone era. Delicate milgrain edges add a refined finish, making this piece both enchanting and timeless.
Seraphina’s Vow is also fully customizable—choose your desired gemstones, shapes, and metal to create a ring that reflects your personal love story.
Perfect for those drawn to romantic vintage rings, this design makes a stunning engagement ring, anniversary gift, or statement of everlasting devotion.
✨ Details:
✦ Customizable 6x8mm oval-cut center stone (moissanite, sapphire, and more)
✦ Customizable accent stones (moissanite and more)
✦ Available in 10K/14K solid gold, or platinum
✦ Delicate scrollwork and hand-milgrain edges
✦ Ideal for: Vintage-style engagement rings, three-stone rings, and custom heirloom jewelry
✦ Hypoallergenic and nickel-free
✦ Exclusive Azura Jewelry design
Measurements
✦ Center Stone: 6x8mm oval
✦ Accent Stone: 3mm round
Build Your Own: Seraphina’s Vow Ring
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