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Front view of 14K yellow gold Karli Knot Ring

Karli Knot Ring

€599,00

Front view of 14K yellow gold Eliana 2mm Eternity Ring with round 0,02 carat lab-grown diamonds

Eliana 2mm Eternity Ring

€819,00

Timeless Treasures

Designed to be loved today and cherished for generations to come.

Shop our collection

Rings

Discover our solid 14K gold rings, crafted to last a lifetime and beyond. Prefer 18K gold? Customize it your way!

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Front view of 14K yellow gold Chiara Charm Ring with lab-grown diamonds, with a focus on the strawberry charm
 
Front view of 14K yellow gold Chiara Charm Ring with lab-grown diamonds, with a focus on the strawberry charm
A young woman wearing a black blazer and wearing a gold ring on her index finger.

Chiara Charm Ring

From €1.779,00
Front view of 14K yellow gold Olivia OK Ring with lab-grown diamonds
 
Front view of 14K yellow gold Olivia OK Ring with lab-grown diamonds
A young woman wearing a brown blazer and showing her shoulder. She is wearing a gold band with the letters "OK" on it, embellished with moissanites.

Olivia OK Ring

From €2.059,00
Front view of 14K yellow gold Bella Buckle Ring with lab-grown diamonds
 
Front view of 14K yellow gold Bella Buckle Ring with lab-grown diamonds
A young woman wearing a burgundy red leather jacket and wearing a gold ring on her index finger.

Bella Buckle Ring

From €2.399,00
Front view of 14K yellow gold Elena Eternity Ring with lab-grown emerald cut diamonds
 
Front view of 14K yellow gold Elena Eternity Ring with lab-grown emerald cut diamonds
A young woman wearing a sparkly moissanite eternity ring on her index finger covering her left eye with her index finger.

Elena Eternity Ring

From €2.129,00
Front view of 14K yellow gold Eliana 2mm Eternity Ring with round 0,02 carat lab-grown diamonds
 
Front view of 14K yellow gold Eliana 2mm Eternity Ring with round 0,02 carat lab-grown diamonds
A young woman puckering her lips while holding her two index fingers beside her mouth, with one finger wearing the Eliana 2mm Eternity Ring featuring lab-grown diamonds

Eliana 2mm Eternity Ring

From €819,00
Front view of 14K yellow gold Karli Knot Ring
 
Front view of 14K yellow gold Karli Knot Ring
A young woman winking with one eye and putting her index finger between her teeth, while wearing the 14K gold Karli Knot Ring

Karli Knot Ring

From €599,00
Front view of 14K yellow gold Daria Wavy Dome Ring
 
Front view of 14K yellow gold Daria Wavy Dome Ring
A young woman wearing 14K gold diamond rings on all of her fingers, resting her face on her hands

Daria Wavy Dome Ring

From €879,00
A young woman with strands of hair in her face, resting her head on her hand, and wearing four rings on her fingers.

Sparkles of a lifetime

Discover our Collection

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A woman’s hand holding two cherries by the stem, with two rings placed on the right cherry. The hand is adorned with a bold gold ring featuring the letters “OK.
A woman’s hand holding two cherries by the stem, with two rings placed on the right cherry. The hand is adorned with a bold gold ring featuring the letters “OK.

Never plated

What you won’t find at Hardtwein is plated jewelry. While affordable, it fades over time. Our solid gold pieces ensure lasting quality, so you can enjoy them for years to come.

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A burgundy red comb with 6 rings stacked on it.
A burgundy red comb with 6 rings stacked on it.

Moissanites

Moissanite, first found in a meteor crater, rivals diamonds with its brilliance and unique sparkle. But what makes it truly special? Discover the story behind this dazzling gem!

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A red burgundy candle with 5 rings stacked on it.
A red burgundy candle with 5 rings stacked on it.

Diamonds

Natural diamonds have been known to symbolize love and luxury—but at what cost? Lab-grown diamonds offer the same brilliance without the ethical concerns.

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Dive into the world of Hardtwein

Why Does The Price Of Gold Keep Rising?

Why Does The Price Of Gold Keep Rising?

By Mirjam Weinhardt

If you’ve been following the markets lately, you’ve probably noticed that gold prices are hitting new highs again. Or if you’ve been wanting to invest in a new jewelry piece...

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Does 9K Gold Tarnish?

Does 9K Gold Tarnish?

By Mirjam Weinhardt

If you have been looking into budget-friendly gold jewelry, you may have come across 9K gold (also known as 375 gold). It is especially popular in the UK and parts...

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Free shipping

We offer free delivery across the EU.

Our promise

Our quality is backed by a 6-month warranty for your peace of mind.

Made-to-order

All our pieces are crafted specifically upon request, rather than being pre-made or mass-produced.

Forever Treasures

Pieces to love, wear a lifetime and to pass down to generations.