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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
The Dahlia Aquamarine Tanzanite Ring is a celebration of rare beauty, strength, and personal transformation. Inspired by the resilience of the dahlia flower, often associated with grace under pressure, inner power, and growth, this nature-inspired ring is designed for those who bloom on their own terms.
At the center, a serene oval cut aquamarine glows like sunlight filtering through clear waters, calming, luminous, and full of quiet strength. It is flanked by two pear-shaped tanzanites on either side in soft violet hues and surrounded by a delicate halo of sparkling stones, forming a flower-like silhouette.
For the one who’s weathered storms and emerged stronger. This nature-inspired ring is a reminder that you are blooming in your own time, in your own light.
✨ Details:
✦ 5x7mm natural oval-cut aquamarine (center stone)
✦ Natural tanzanite accent stones
✦ 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
Whether chosen as an alternative engagement ring, a symbolic promise ring, or a meaningful gift for a nature lover, the Dahlia Aquamarine Tanzanite Ring captures a timeless charm.
Gemstones
Aquamarine
Origin: Brazil
Birthstone: March
Meaning: The name “Aquamarine” comes from the stone’s beautiful sea-like color which in Latin means “Sea Water.”
Powers: This is seen as a great stone for marriage, particularly for gifting purposes as it awakens love. It is thought to cure laziness, speed up intellect, provide relief against pain, and encapsulates the owner with friendliness. Also, seen as a good cure for eye-related diseases and serves with inner contentment.
Measurements
Vermeil:
✦ Center Stone: 5x7mm oval Aquamarine
✦ Accent Stone: 4x3mm pear Tanzanite, 1.3mm-1.5mm round White Topaz
✦ Band Width: 2mm
Solid White Gold:
✦ Center Stone: 5x7mm oval Aquamarine
✦ Accent Stone: 4x3mm pear Tanzanite, 1.3mm-1.5mm round Moissanite
✦ Band Width: 2mm
Dahlia Aquamarine Tanzanite Ring©
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- Recently viewed
This ring is absolutely gorgeous!
I chose the Dahlia Aquamarine Tanzanite Ring for my beautiful wife to celebrate our 15th anniversary—the crystal anniversary. The aquamarine’s cool, oceanic glow paired perfectly with the tanzanite’s twilight hues, making it a stunning piece. Yet, despite its beauty, it truly came to life only when she wore it—transforming from a jewel into a radiant reflection of her own elegance and grace.
Ironically, she found the ring by casually sending me a “no-pressure” suggestion from a Facebook ad… which we both knew meant, “This one’s perfect!”
Perfect the rings is wonderfull
The ring is perfect.
This was just perfect, exactly what I was actually looking for and feels so unique, just amazing! And customer service is top notch!
