Diamantsmykker på ei dame, med en pæreformet diamantring, en stacka diamantring og en radiant-slipt diamant forlovelsesring. På venstre handa har a på seg en giftering.

Exo Diamond Jewelry

Exo Diamond jewelry is made from timeless innovation. These diamonds outshine the traditional ones with unmatched colors and brilliance. Each stone is ethically crafted and sustainable, and each piece is worn to elevate every moment – because you deserve the extraordinary. Discover the new standard of elegance and find your Exo Diamond jewelry today.

Explore our Exo Diamond Jewelry

Exclusive Scandinavian designer jewelry

We offer a unique selection of lab-grown diamonds, which we call Exo Diamonds a synthetic diamond. These diamonds are an ethical and environmentally friendly choice, perfect for those who want quality and style.

Every piece of jewelry with diamonds over 0.5 carats comes with a certificate. On the certificate you will find the diamond number, which is embossed directly on the edge of the diamond - a guarantee that you get genuine and traceable quality.

All of our precious metal jewelry is designed in Norway and stamped with responsibility mark registered with the patent office.

Whether you're looking for a gift for her or treating yourself with elegant jewelry for a special occasion we have you covered.

Don't find the design you're looking for , we customize it for you and make your jewelry special and bespoke.

Best Selling Categories

Lab emerald studs - Onyx Oslo
Engagement Rings / Wedding rings - Onyx Oslo

Engagement Rings / Wedding rings

Our Exo Diamond Engagement Rings collection is a tribute to love, commitment,...

Engagement Rings / Wedding rings

Three stone studs in curved shape - Onyx Oslo

Silver earrings

Silver earrings products Find your next perfect earrings that lights up your...

Silver earrings

Bestsellers

Curved sparkling necklace - Onyx Oslo

Silver Jewelry

Get sparkling beautiful silver jewelry from Norwegian local goldsmith. All of our silver jewelry is made from recycled materials and is gold plated. Gold plated silver provides more durability than regular silver.

Silver jewelry
Oval Elements Silver Ring with 18K Gold plating - Onyx Oslo

Gold-plated rings

Our Norwegian designs of rings with gold-plating is inspired by beautiful fjords of Norway. We make these designs minimalist and with design principle of elegant Oslo jewelry. These gold-plated rings have higher quality and lasts longer than non designer rings. 

Selected Gold-plated rings
Onyx Oslo lab emerald bracelet in bangle design. It has pear and emerald cut lab emerald stone.

Lab emerald Bangle

Bangle which illuminates

One of our best selling lab-emerald bangle. This Green colored stone is shiny, elegant and gives you the shine and sparkle. The green emerald is surrounded by smaller stones which makes this an exquisite Norwegian inspired bracelet. 

Lab Emerald Bangle

Blog posts

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  • A Guide on Exo diamonds vs Natural Diamonds - Onyx Oslo

    A Guide on Exo diamonds vs Natural Diamonds

    Looking for a gemstone that dazzles like a diamond but aligns with your values and budget? Enter Exo diamond– the ethical alternative that's revolutionizing the jewelry industry. With its superior...

    A Guide on Exo diamonds vs Natural Diamonds

    Looking for a gemstone that dazzles like a diamond but aligns with your values and budget? Enter Exo diamond– the ethical alternative that's revolutionizing the jewelry industry. With its superior...

  • Exo Diamond: Ultimate Guide to This Sustainable Alternative - Onyx Oslo

    Exo Diamond: Ultimate Guide to This Sustainable...

    Exo diamond combines sustainability, brilliance, and affordability, making it a beloved choice for jewelry. With unmatched sparkle, durability, and ethical sourcing, it reflects Nordic values. Explore why this stardust-born gemstone...

    Exo Diamond: Ultimate Guide to This Sustainable...

    Exo diamond combines sustainability, brilliance, and affordability, making it a beloved choice for jewelry. With unmatched sparkle, durability, and ethical sourcing, it reflects Nordic values. Explore why this stardust-born gemstone...

  • Custom Jewelry Design Guide: Create Your Perfect Piece - Onyx Oslo

    Custom Jewelry Design Guide: Create Your Perfec...

    Transform your jewelry dreams into reality with custom jewelry design. Discover how our expert artisans craft unique pieces using premium materials like moissanite, lab-created diamonds, and vibrant gemstones. From initial...

    Custom Jewelry Design Guide: Create Your Perfec...

    Transform your jewelry dreams into reality with custom jewelry design. Discover how our expert artisans craft unique pieces using premium materials like moissanite, lab-created diamonds, and vibrant gemstones. From initial...

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Minimalist fine Jewelry - Local Norwegian jewelry brand