Sanctum of Shadows Black Onyx Ring
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 |
One Year Warranty
New York Craftsmanship
Gift-wrapped Ready
Handpicked Gemstone
Description
This Gothic cathedral ring is a Notre-Dame inspired ring with pointed arches, slender spires, and a rose-window silhouette. An oval black onyx center is framed by bright diamond-like accents, giving clean geometry, low-profile comfort, and everyday strength—perfect as an architectural ring or statement ring for women.
✨ Details:
✦ 6x4mm natural oval-cut black onyx (center stone)
✦ White topaz “rose-window” and halo accent stones
✦ 14K black gold vermeil (14K black gold plated over a sterling silver base)
✦ Structural “flying buttress” shoulders; low, comfortable profile
✦ Can be customized in 10K/14K solid gold or platinum
✦ Hypoallergenic and nickel-free
✦ Exclusive Azura Jewelry design
Gemstones
Measurements
