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FUSION Cobalt men's wedding band, image 1

FUSION | Cobalt Chrome Ring with Diagonal Pattern

sold in last hours
Sale price €175,95 EUR
Lifetime Warranty Lifetime Sizing Free 2-Day Shipping Free Laser Engraving Premium Materials Easy Returns & Exchanges
Width: Choose an option
Size: Choose an option

Size Chart

Ring Sizing

Find your ring size.

Not sure? Use a ring you already own, or measure with a string. If the size is off, you are covered: 30-day exchange on unengraved rings, and Lifetime Sizing for the original purchaser after that.

Find Your Size at Home See How to Measure
Already know your size? Use the chart below →
Three Ways to Find Your Size

Pick the path that fits.

01
Use a Ring You Own
Most accurate. Measure the inside diameter of a ring that already fits.
Show method →
02
Measure at Home
String and a ruler. Takes about two minutes.
Show me how →
03
Convert a Size
If you already know your UK, EU, or Japan size.
See chart →
How to Measure

Two methods, both accurate.

Method A: Use a ring you already own

01
Find a ring that already fits the correct finger comfortably.
02
Place the ring on paper and trace the inside circle.
03
Measure the inside diameter across the widest point. Match it to the chart below.

Method B: String and a ruler

01
Wrap a string snug at the base of the finger.
02
Mark the spot where the string overlaps.
03
Measure the marked length. Match the circumference to the chart.

A few notes from the workshop

  • Measure at the end of the day. Fingers are larger by then.
  • Measure the hand the ring will live on. The dominant hand is usually a half-size larger.
  • A wider band (6mm+) wears a half-size tighter. If between two sizes, size up.

Prefer a guided tool? Use the interactive ring sizer.

Use the Interactive Ring Sizer
International Conversion

Find your size by region.

US Size Diameter (in) Circumference (in) Diameter (mm)
4 0.586 1.84 14.88
4½ 0.602 1.89 15.29
5 0.618 1.94 15.70
5½ 0.634 1.99 16.10
6 0.650 2.04 16.51
6½ 0.666 2.09 16.92
7 0.682 2.14 17.32
7½ 0.698 2.19 17.73
8 0.714 2.24 18.14
8½ 0.730 2.29 18.54
9 0.746 2.34 18.95
9½ 0.762 2.39 19.36
10 0.778 2.44 19.76
10½ 0.794 2.49 20.17
11 0.810 2.54 20.57
11½ 0.826 2.59 20.98
12 0.842 2.65 21.39
12½ 0.858 2.70 21.79
13 0.874 2.75 22.20
13½ 0.890 2.80 22.61
14 0.906 2.85 23.01
14½ 0.922 2.90 23.42
15 0.938 2.95 23.83
US UK / Australia / NZ Diameter (mm)
4 H 14.88
4½ I 15.29
5 J ½ 15.70
5½ K 16.10
6 L ½ 16.51
6½ M 16.92
7 N ½ 17.32
7½ O 17.73
8 P ½ 18.14
8½ Q 18.54
9 R ½ 18.95
9½ S 19.36
10 T ½ 19.76
10½ U 20.17
11 V ½ 20.57
11½ W 20.98
12 X ½ 21.39
12½ Y 21.79
13 Z ½ 22.20
13½ Z + 1 22.61
14 Z + 2 23.01
14½ Z + 3 23.42
15 Z + 4 23.83
US Germany / France Switzerland Diameter (mm)
4 46.5 6.5 14.88
4½ 48.0 8.0 15.29
5 49.3 9.3 15.70
5½ 50.6 10.6 16.10
6 51.9 11.9 16.51
6½ 53.1 13.1 16.92
7 54.4 14.4 17.32
7½ 55.7 15.7 17.73
8 57.0 17.0 18.14
8½ 58.2 18.2 18.54
9 59.5 19.5 18.95
9½ 60.8 20.8 19.36
10 62.1 22.1 19.76
10½ 63.4 23.4 20.17
11 64.6 24.6 20.57
11½ 65.9 25.9 20.98
12 67.2 27.2 21.39
12½ 68.5 28.5 21.79
13 69.7 29.7 22.20
13½ 71.0 31.0 22.61
14 72.3 32.3 23.01
14½ 73.6 33.6 23.42
15 74.8 34.8 23.83

Germany and France use ring circumference in millimeters. Switzerland uses circumference minus 40.

US Japan Diameter (mm)
4 7 14.88
4½ 8 15.29
5 9 15.70
5½ 10 16.10
6 12 16.51
6½ 13 16.92
7 14 17.32
7½ 15 17.73
8 16 18.14
8½ 17 18.54
9 18 18.95
9½ 19 19.36
10 20 19.76
10½ 21 20.17
11 22 20.57
11½ 23 20.98
12 25 21.39
12½ 26 21.79
13 27 22.20
13½ 28 22.61
14 29 23.01
14½ 30 23.42
15 31 23.83
Exchanges, Sizing & Warranty

If your size is off, you are covered.

30-day exchange. Unengraved standard rings exchange free within 30 days. Engraved rings are exchange-only with a $34.50 surcharge.

Lifetime Sizing. Fit changes after 30 days are covered for the original purchaser at a small flat fee, with no time limit.

Aydins Lifetime Warranty. Manufacturing defects are covered free for the first 6 months, then $34.50 through month 12, then $54.50 flat after that.

Email Us Call 1-800-214-7345

Size Chart

Ring Sizing

Find your ring size.

Not sure? Use a ring you already own, or measure with a string. If the size is off, you are covered: 30-day exchange on unengraved rings, and Lifetime Sizing for the original purchaser after that.

Find Your Size at Home See How to Measure
Already know your size? Use the chart below →
Three Ways to Find Your Size

Pick the path that fits.

01
Use a Ring You Own
Most accurate. Measure the inside diameter of a ring that already fits.
Show method →
02
Measure at Home
String and a ruler. Takes about two minutes.
Show me how →
03
Convert a Size
If you already know your UK, EU, or Japan size.
See chart →
How to Measure

Two methods, both accurate.

Method A: Use a ring you already own

01
Find a ring that already fits the correct finger comfortably.
02
Place the ring on paper and trace the inside circle.
03
Measure the inside diameter across the widest point. Match it to the chart below.

Method B: String and a ruler

01
Wrap a string snug at the base of the finger.
02
Mark the spot where the string overlaps.
03
Measure the marked length. Match the circumference to the chart.

A few notes from the workshop

  • Measure at the end of the day. Fingers are larger by then.
  • Measure the hand the ring will live on. The dominant hand is usually a half-size larger.
  • A wider band (6mm+) wears a half-size tighter. If between two sizes, size up.

Prefer a guided tool? Use the interactive ring sizer.

Use the Interactive Ring Sizer
International Conversion

Find your size by region.

US Size Diameter (in) Circumference (in) Diameter (mm)
4 0.586 1.84 14.88
4½ 0.602 1.89 15.29
5 0.618 1.94 15.70
5½ 0.634 1.99 16.10
6 0.650 2.04 16.51
6½ 0.666 2.09 16.92
7 0.682 2.14 17.32
7½ 0.698 2.19 17.73
8 0.714 2.24 18.14
8½ 0.730 2.29 18.54
9 0.746 2.34 18.95
9½ 0.762 2.39 19.36
10 0.778 2.44 19.76
10½ 0.794 2.49 20.17
11 0.810 2.54 20.57
11½ 0.826 2.59 20.98
12 0.842 2.65 21.39
12½ 0.858 2.70 21.79
13 0.874 2.75 22.20
13½ 0.890 2.80 22.61
14 0.906 2.85 23.01
14½ 0.922 2.90 23.42
15 0.938 2.95 23.83
US UK / Australia / NZ Diameter (mm)
4 H 14.88
4½ I 15.29
5 J ½ 15.70
5½ K 16.10
6 L ½ 16.51
6½ M 16.92
7 N ½ 17.32
7½ O 17.73
8 P ½ 18.14
8½ Q 18.54
9 R ½ 18.95
9½ S 19.36
10 T ½ 19.76
10½ U 20.17
11 V ½ 20.57
11½ W 20.98
12 X ½ 21.39
12½ Y 21.79
13 Z ½ 22.20
13½ Z + 1 22.61
14 Z + 2 23.01
14½ Z + 3 23.42
15 Z + 4 23.83
US Germany / France Switzerland Diameter (mm)
4 46.5 6.5 14.88
4½ 48.0 8.0 15.29
5 49.3 9.3 15.70
5½ 50.6 10.6 16.10
6 51.9 11.9 16.51
6½ 53.1 13.1 16.92
7 54.4 14.4 17.32
7½ 55.7 15.7 17.73
8 57.0 17.0 18.14
8½ 58.2 18.2 18.54
9 59.5 19.5 18.95
9½ 60.8 20.8 19.36
10 62.1 22.1 19.76
10½ 63.4 23.4 20.17
11 64.6 24.6 20.57
11½ 65.9 25.9 20.98
12 67.2 27.2 21.39
12½ 68.5 28.5 21.79
13 69.7 29.7 22.20
13½ 71.0 31.0 22.61
14 72.3 32.3 23.01
14½ 73.6 33.6 23.42
15 74.8 34.8 23.83

Germany and France use ring circumference in millimeters. Switzerland uses circumference minus 40.

US Japan Diameter (mm)
4 7 14.88
4½ 8 15.29
5 9 15.70
5½ 10 16.10
6 12 16.51
6½ 13 16.92
7 14 17.32
7½ 15 17.73
8 16 18.14
8½ 17 18.54
9 18 18.95
9½ 19 19.36
10 20 19.76
10½ 21 20.17
11 22 20.57
11½ 23 20.98
12 25 21.39
12½ 26 21.79
13 27 22.20
13½ 28 22.61
14 29 23.01
14½ 30 23.42
15 31 23.83
Exchanges, Sizing & Warranty

If your size is off, you are covered.

30-day exchange. Unengraved standard rings exchange free within 30 days. Engraved rings are exchange-only with a $34.50 surcharge.

Lifetime Sizing. Fit changes after 30 days are covered for the original purchaser at a small flat fee, with no time limit.

Aydins Lifetime Warranty. Manufacturing defects are covered free for the first 6 months, then $34.50 through month 12, then $54.50 flat after that.

Email Us Call 1-800-214-7345
FUSION Cobalt men's wedding band, image 1
FUSION | Cobalt Chrome Ring with Diagonal Pattern
Sale price€175,95 EUR

FUSION is a modern wedding band built for men who want durability, comfort, and a design with character. The patterned finish gives it a distinct look while the cobalt chrome keeps the ring practical for daily wear.

Designed with a comfort-fit interior, FUSION feels solid without looking overdone.

Key Features

  • Cobalt Chrome
  • Patterned Finish
  • Available widths: 8mm
  • Comfort Fit Profile
  • Comfort-fit interior
  • Engraving: Inside engraving available

Why FUSION

FUSION is for the guy who wants a wedding band that feels personal, durable, and different from a basic polished ring.

Material: Cobalt Chrome
Inlay/Feature: Patterned Finish
Widths: 8mm
Fit: Comfort Fit
Profile: Comfort Fit Profile
Engraving: Inside
Width

8MM
Size

5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13, 13.5, 14, 14.5, 15

Lifetime Warranty

Every Aydins ring is covered by a lifetime warranty against manufacturing defects. If something fails because of how the ring was made, not how it was worn, we'll take care of it through our warranty process.

What's Covered

  • Manufacturing defects in the ring or its finish
  • Premature failure of plating, coatings, or inlays under normal wear
  • Stone setting failure caused by the manufacturing process
  • Defects in the metal or material itself

What's Not Covered

The warranty covers how we built the ring, not what happens to it after you take it home. The following aren't covered:

  • Damage from drops, sharp impact, or excessive force
  • Wear caused by chlorine, harsh chemicals, abrasive cleaning, or improper care
  • Lost rings
  • Damage from at-home sizing or resizing attempts (always use the Lifetime Sizing Program)
  • Normal cosmetic wear over time on softer metals (small scratches, patina)

Aydins Lifetime Sizing Program

Your finger size will change over the years. The Lifetime Sizing Program is how we make sure your ring keeps fitting, no matter how long you've owned it.

It works like this:

  • If your size changes at any point in your life, we will send you the same ring in your new size for a small re-sizing fee, not the full retail price.
  • You ship your original ring back to us, and we ship the replacement out to you.
  • The full process is handled through our Returns & Exchanges portal, so you can track everything from start to finish.

The exact process depends on the metal (some can be resized, others are replaced), but the outcome is the same: you stay in a ring that fits, for life.

How to File a Claim or Request a Resize

Visit our Returns & Exchanges page to start any warranty claim, resize request, or return. You'll be guided through our self-service portal, where you can submit your claim, upload photos if needed, and track status from start to finish.

For warranty claims, please include a clear photo of the ring so we can confirm coverage before shipping a replacement.

Our Promise

Aydins has been making rings since 2011. The warranty and the sizing program exist for one reason: a wedding band is supposed to last as long as the marriage. We build the ring to do that, and we back it for as long as you wear it.
FAQ's

What is FUSION made of?

FUSION is made from cobalt chrome with patterned finish.

Is cobalt chrome good for daily wear?

Yes. Cobalt Chrome is a strong, durable ring material designed for everyday wear.

What does the patterned finish look like?

The patterned finish gives FUSION its visible character and contrast while keeping the design wearable.

Can FUSION be engraved?

FUSION can be personalized with inside engraving.

Is it comfort fit?

Yes. FUSION is made with a comfort-fit interior for easier daily wear.

How do I care for a cobalt chrome ring with patterned finish?

Clean it with mild soap, warm water, and a soft cloth. Avoid harsh chemicals and heavy impact against hard surfaces.

Free Shipping

Every order ships free anywhere in the United States with no minimum. Free shipping is also available to Canada, Australia, and the United Kingdom on orders of $90 USD or more.

Processing Time

Most orders ship within 1 to 5 business days. Engraved rings, custom sizes, and special widths can add a day or two; we'll let you know if your order needs extra time.

Express and Next-Day Delivery

Available at checkout for an additional fee. Express options reduce transit time after the order ships, but standard processing time still applies before the package goes out. For custom or made-to-order products, the listed production time still applies before any shipping method begins.

In-Store Pickup

Available within 1 to 5 business days for local customers. Select pickup at checkout.

International Shipping

We ship worldwide to most countries. If yours isn't listed at checkout, contact us and we'll work something out. Delivery times vary by destination. UPS and FedEx Express options are available for faster international transit.

Returns and Exchanges

For the full process, visit our Returns & Exchanges page. Size exchanges, defects, and warranty claims are all handled there.

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