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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
Step into the magic of moonlit woods with the Noctis Moss Agate Black Onyx Ring, a nature-inspired statement piece designed for dreamers, seekers, and wild-hearted souls.
At the center rests a marquise-cut moss agate, each one unique with forest-like inclusions that resemble ancient trees and whispering roots. Framed by two rose-cut black onyx and surrounded by shimmering white stones, this ring evokes the quiet power of dusk and the allure of the unknown.
Intricately sculpted leaves and diamond-like accents complete the design, making the Noctis Ring a perfect choice for a botanical engagement ring, mystical promise ring, or meaningful gift for lovers of dark fairytale and wild beauty.
Whether you're drawn to its earthy symbolism or enchanted aesthetic, this moss agate and black onyx gemstone ring brings elegance, mystery, and the magic of the forest night.
✨ Details:
✦ 10X5 mm natural marquise-cut moss agate (center stone)
✦ Black onyx 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
Gemstones
Moss Agate
Origin: Brazil
Birthstone: May
Meaning: Moss agate, also known as mocha stone has an opaque, dark green to rusty orange and cloudy inclusions with branch-like formation that resemble ferns or moss. It was regarded as a stone of good luck in the late 18th century and is still being considered as one lucky stone by farmers and gardeners.
Powers: Moss agate promotes happiness and tranquility. It is thought to boost endurance and aids in emotional imbalances. A magical stone that harmonizes and fosters your connection with the elements of the universe and nature. It encourages self-acceptance and attracts positivity.
*Please be informed that your moss agate patterns are naturally distinct and unique from the portrayed picture, and you will never witness the same pattern in two gems. It is one of a kind with a unique story that only you can tell.
Measurements
Vermeil:
✦ Center Stone: 10x5mm marquise Moss Agate
✦ Accent Stone: 5x3mm rose-cut oval Black Onyx, 1.5-1.7mm round White Topaz
Solid Gold:
✦ Center Stone: 10x5mm marquise Moss Agate
✦ Accent Stone: 5x3mm rose-cut oval Black Onyx, 1.5-1.7mm round Moissanite
Complete the look:
Noctis Moss Agate Black Onyx Ring©
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I bought this as a gift. This ring is BEAUTIFUL. If you love the photos you will love it even more on your finger.
Ring is so unique and beautiful. Looks even better in person. So happy I chose this ring! Great communication and fast shipping.
Bought for my wife as a gift. She absolutely loved it!! It’s very well made and fit true to size!!
Beautiful ring and came in great packaging. My fiance is gonna love it.
