






HEXIS Ring
Ships from EU
Crafted to Order — Ships in 1–2 Weeks
Secure Checkout
30-Day Returns
2-Year Structural Warranty
HEXIS — Forged Carbon Ring
Engineered geometry. Pure material.
The HEXIS Ring is a limited series forged carbon piece defined by deep, precision-carved hexagonal geometry. The structural pattern is directly integrated into the forged carbon fiber, creating depth, contrast, and light interplay across the surface.
No metal. No coating. No added elements. Only pure forged carbon, compressed for maximum strength and minimal weight.
Every ring carries a distinct marble pattern formed during the forging process. No two pieces are identical. Each one is machined and finished entirely in-house for a clean, technical aesthetic.
Minimal structure. Engineered precision. Material clarity.
Details
- Material: Solid forged carbon fiber
- Width: 10–12 mm (wide profile)
- Finish: Hand-polished satin / matte texture
- Interior: Comfort-fit ergonomic curve
- Origin: Handmade entirely in-house
Features
- Limited edition design — produced in small batches
- High strength-to-weight ratio
- Ultra-lightweight yet durable
- Hypoallergenic — no metals
- Won’t bend or deform like metal rings
- Each pattern is unique
Built for those who prefer precision over decoration.
Ring Size Guide
Ring Size Guide
| US Size | Diameter (mm) | Circumference (mm) |
|---|---|---|
| 6 | 16.5 | 52.0 |
| 7 | 17.3 | 54.5 |
| 8 | 18.2 | 57.0 |
| 9 | 18.9 | 59.5 |
| 10 | 19.8 | 62.1 |
| 11 | 20.6 | 64.6 |
| 12 | 21.4 | 67.2 |
| 13 | 22.2 | 69.7 |
| 14 | 23.0 | 72.3 |
How to Measure at Home
Method 1 — Use an existing ring
- Measure the inner diameter of a ring that fits you
- Match the measurement to the chart above
Method 2 — String or paper method
- Wrap a string or strip of paper around your finger
- Mark where the ends meet
- Measure the length in millimeters
- Match to the circumference column
Tip: Measure at the end of the day when fingers are slightly larger for the most accurate fit.
Bracelet Sizing
SIZING GUIDE
Engineered fit starts with accurate measurement. Follow the steps below to select the correct size.
BRACELET SIZING
How to Measure Your Wrist
- Measure your wrist just above the wrist bone.
- Use a flexible measuring tape. If you don’t have one, use a string and measure it against a ruler.
- Keep it snug — not loose, not tight.
- Do not add extra space. We include a comfort allowance in the bracelet design.
Bracelet Size Chart
| Size | Wrist Circumference (cm) | Wrist Circumference (in) |
|---|---|---|
| XS | 14.5 – 16 cm | 5.7 – 6.3 in |
| S | 16 – 17 cm | 6.3 – 6.7 in |
| M | 17 – 18.5 cm | 6.7 – 7.3 in |
| L | 18.5 – 20 cm | 7.3 – 7.9 in |
| XL | 20 – 21.5 cm | 7.9 – 8.5 in |
Between sizes? Choose the larger size for a looser fit.
Care Guide
Kartiel forged carbon jewelry is finished with an automotive-grade clear coat used on luxury cars, providing durability and long-lasting protection. Clean with a soft cloth and avoid harsh chemicals to maintain its finish.
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How It’s Made
Each piece is shaped, finished, and refined in-house from forged carbon composite and precious materials.

