Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
Calder 4/6 mm
25% off at checkout | Code: EARLY

Calder 4/6 mm
$180.00

Wrong size? Free replacement included.
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Free Replacement
WHAT'S INCLUDED
Calder 4/6 mm
Calder 4/6 mm
Silicone Band
Travel Pouch
LIFETIME WARRANTY

Raw Texture, Refined Strength

Calder is forged for those who find beauty in simplicity and strength in the raw. Made from brushed tungsten carbide, this ring features a hammered texture with a gunmetal finish and a polished silver interior. Its faceted surface plays with light, creating depth without distraction. Durable, timeless, and unapologetically minimal — Calder is designed for those who stand solid, no matter the terrain.

Materials: Tungsten carbide.

Not sure about your ring size? Click here to download our printable sizer helper and find your perfect fit.

Every order is tracked & protected - lost or damaged? We’ll send a new one for free.

You’ll receive your tracking number as soon as your order ships, with delivery straight to your door.

Ships within 1–2 business days.
Delivery in 4–7 business days.

We create rings designed to last a lifetime - and we stand behind that promise. You can wear your ring every day with confidence, knowing it’s fully covered. If anything ever goes wrong, we’ll replace it - simple as that.

Durable

Free Replacement

Wrong size? You’re covered with our Perfect Fit Protection

Warranty

No Pinch Fit

Crafted with a rounded interior for all-day comfort

Travel Pouch Included

Protects your rings on the go and when not in use

Asterisk

Premium Materials

Built to last as long as the impression they’ll make

BEFORE YOU BUY

The honest answers

Will it rust or turn my finger green?

No. Every ring is made from hypoallergenic, rust-proof premium materials that don't react with water or skin. Wear it in the shower, at the gym, or every day without a second thought.

How to find my ring size?

Not sure about your ring size? Click here to download our printable sizer helper and find your perfect fit.
And if it’s not just right, we’ll replace it for free - no questions asked.

What if it doesn't fit?

Not sure about your size? No worries. If the fit isn’t perfect, we’ll send you a free replacement - simple as that. You can even order one size up to be 100% sure, since every ring includes a free
 size adjuster for a perfect fit.

What materials are you using?

Every ring we make is crafted with care and attention to detail. We 
handpick the finest materials, and our team personally oversees every 
step of the process in our workshop.

Our goal is to create rings that not only look beautiful but also last for years to come.

How can I reach you?

We are always here to help! Whether you have a question or just want 
to chat about my rings, we are available every day of the week 24/7.

📩 Email: hello@marcovoletti.com