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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
Elevate your everyday with the Celestial Ring, a dainty opal ring inspired by the quiet beauty of the cosmos. Featuring five luminous natural opal gemstones, this celestial stacking ring captures the essence of stardust, moonlight, and the magic of the night sky.
With its sleek, minimalist profile and galaxy-inspired design, this wedding band is perfect worn solo or stacked with your other favorite pieces.
Whether you're searching for a unique October birthstone ring, a starry promise ring, or a delicate celestial piece for someone who dreams big and loves minimalist style — the Celestial Ring is a timeless symbol of light, balance, and inner magic.
✨ Details:
✦ 2mm natural round-cut Ethiopian opal
✦ 14K white gold vermeil (14K white gold plated over a sterling silver base)
✦ Perfect for stacking or as a delicate standalone ring
✦ Hypoallergenic and nickel-free
✦ Exclusive Azura Jewelry design
Gemstones
Ethiopian Opal
Origin: Ethiopia
Birthstone: October
Meaning: The term “Opal” is derived from the Greek word “Opallios” which means to see a color change, which also brings forward how Opal reacts to light.
Powers: Known as a brilliant crystal for physic development - it inspires you to explore your creative abilities with a peek into the future. A useful stone for meditation that creates a protective shell around you to shut down negativity from your life.
Measurements
✦ Gemstone: 2mm round Opal
✦ Band Width: 1.9-2.1mm
Complete the look:
Celestial Opal Ring
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