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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 magic of the cosmos with the Stardust Tanzanite Ring, a beautifully crafted piece that captures the ethereal beauty of stardust and twilight skies.
The centerpiece features a brilliant round tanzanite gemstone, radiating a deep blue-violet shade that shimmers like a distant galaxy.
Surrounded by intricately designed star motifs and sparkling white stones, this ring evokes the mystery and wonder of the night sky.
Whether chosen as a celestial-inspired engagement ring, promise ring, or a special December birthday gift, the Stardust Tanzanite Ring symbolizes hope, dreams, and the infinite possibilities the universe holds.
✨ Details:
✦ 3mm natural round-cut tanzanite center stone)
✦ White topaz (vermeil) or moissanite (solid gold) accent stones
✦ Available in 14K white gold vermeil (14K white gold plated over a sterling silver base)
and 10K solid white gold
✦ Hypoallergenic and nickel-free
✦ Exclusive Azura Jewelry design
Gemstones
Tanzanite
Origin: East Africa
Birthstone: December
Meaning: This gemstone was named “Tanzanite” because of its country of origin “Tanzania”
Powers: A stone of transmutation, its highly vibrating energy attracts psychic power, linking you to the spiritual realm to promote better communication and allows deep meditation. Tanzanite is peaceful and you cannot help but feel the serenity when you wear it. It opens one’s consciousness
Measurements
Vermeil:
✦ Center Stone: 3.5mm round Tanzanite
✦ Accent Stone: 1.3-2.5mm round White Topaz
✦ Band Width: 1.5mm
✦ Thickness: 1.2mm
Solid Gold:
✦ Center Stone: 3.5mm round Tanzanite
✦ Accent Stone: 1.3-2.5mm round Moissanite
✦ Band Width: 1.5mm
✦ Thickness: 1.2mm
Complete the look:
Stardust Tanzanite Ring
- CUSTOMERS ALSO BOUGHT
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Photos on the website don't do this ring justice! It's sooo sparkly irl! The shade of the tanzanite is perfect, the band is comfortable, everything about it is absolutely amazing 💙
The title says it all, this ring is dainty, unique, and beautiful. It was a gift and she loved it. The quality is wonderful and we will both definitely purchase from here again.
The tanzanite stone is a beautiful purple blue color and the ring is unique and petite. Great if you are lookinh for a more minimal yet elegant piece
Got this ring as a promise ring for my darling, she loves it.
This is a great buy, she absolutely adores this. I am pretty sure she had not taken it off since.
