Chainbound Black Spinel Band Ring
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Description
Forged with industrial mysticism, this architectural ring channels protective energy through its interlocking chainmail design. 36 obsidian-black spinels form a metaphysical armor ring (0.7ct total), scientifically proven to absorb negative energies while the precision-set screws create an energy vortex. Every rivet and stone placement aligns with sacred geometry principles for modern alchemists.
● Gold Vermeil/Black Silver
● 36 calibrated black spinels (0.7ct)
● Ring crown: 10mm
GEMX Number: G03250501-SR
Custom Size & Gemstone
If the ring size or gemstone does not fit you or is sold out, please leave us a message when ordering and we will customize it for you.
Customize for Corporate Gifting? Learn More
Natural Gems
At GEMX, we use only natural gemstones. Whether for yourself or a friend, a genuine gemstone is an unforgettable gift.
Many colored gemstones are expected to have inclusions that do not significantly affect the value of the stone. GEMX offers 5A quality colored gemstones, which means they have very few or no inclusions.
Delivery and Returns
🌍GEMX is proud to offer Carbon-Neutral Shipping, at no cost to you! 🌍
We offer free worldwide shipping on all orders.
Offer valid on economy shipping only and subject to change without notice. Freight and expedited shipping is excluded unless otherwise stated on the product page.
*Orders can be expedited at customer's expense. No adjustments can be made to prior purchases.
*Delivery times range from 5-12 business days depending on the shipping destination.
Hassle-free returns within 10 days.
More Than Jewelry: Why Choose GEMX?
At GEMX, we don’t follow trends—we craft meaning.
Every piece is made with natural gemstones, recycled precious metals, and a deep respect for the planet. Our jewelry is created to empower your every day—not just accessorize it.
We believe beauty should never come at the planet’s expense. That’s why we use responsibly sourced materials, minimize waste, and offer free carbon-neutral shipping on every order—offsetting emissions from production to delivery.
We’re also proudly D2C (direct-to-customer)—no middlemen, no inflated markups. That means more value for you, and a more transparent, meaningful connection between maker and wearer.
✨ Real gems. Honest beauty. Zero compromise.
🌱 Sustainable by nature. Hand-finished with care.
📦 Free Carbon-Neutral Shipping—Always.
💎 Direct-to-You Pricing. No middlemen, no markups.
Ring Size Chart
Use the helpful conversion chart below to find the right size for your chosen rings. On our website we use US & Canada sizes.
GEMX Size | USA & Canada | Europe | UK & Australia | Circumference (mm) |
Diameter (mm) |
---|---|---|---|---|---|
4 | 4 | 46.5 | H | 46.8 | 14.9 |
4.5 | 4.5 | 48 | I½ | 48 | 15.3 |
5 | 5 | 49 | J½ | 49.3 | 15.7 |
5.5 | 5.5 | 50.3 | K½ | 50.6 | 16.1 |
6 | 6 | 51.5 | L½ | 51.9 | 16.5 |
6.5 | 6.5 | 52.5 | M½ | 53.1 | 16.9 |
7 | 7 | 54 | N½ | 54.4 | 17.3 |
7.5 | 7.5 | 55.3 | O½ | 55.7 | 17.7 |
8 | 8 | 56.6 | P½ | 57 | 18.1 |
8.5 | 8.5 | 58 | Q½ | 58.3 | 18.5 |
9 | 9 | 59.5 | R½ | 59.5 | 18.9 |
9.5 | 9.5 | 60.3 | S½ | 60.8 | 19.3 |
10 | 10 | 61.6 | T½ | 62.1 | 19.8 |
10.5 | 10.5 | 62.8 | U½ | 63.4 | 20.2 |
11 | 11 | 64 | V½ | 64.6 | 20.6 |

Find the Perfect Fit
Choose your corresponding size by comparing your wrist measurements to the chart below or by following the directions in our printable guide.
Bracelet Size | Wrist Size |
---|---|
Small | 6.5–7 in |
Medium | 7–7.5 in |
Large | 7.5–8 in |
X-Large | 8–8.5 in |
How to measure at home:

Find Your Size in 3 Steps
- Gather Your Tool: Use a tape measure, string, or strip of paper if our printable guide isn’t available.
- Measure Your Wrist: Wrap the tool snugly below your wrist bone (numbers facing out). Adjust for comfort—aim for a natural fit.
- Match & Choose: Note your measurement, compare it to our size chart, and select your bracelet size. Between sizes? Opt for the larger one.

Delivery & Returns
We offer free worldwide shipping on all orders.
GEMX is proud to offer Carbon-Neutral Shipping, at no cost to you! 🌍