Exo diamant smykker av Onyx Oslo Norsk smykke butikk- Viser Diamantring, diamanthalskjede og diamant øredobber

Ethical gemstone jewelry

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
Eksklusivt tennisarmbånd i sterling sølv med gullbelagte detaljer fra Onyx Oslo, elegant på håndledd.

minimalist and trendy jewelry

Silver Jewelry

Elegant silver jewelery in 925 sterling silver for a minimalist and trendy style that you can wear every day. Explore our featured silver rings, silver earrings and silver necklaces.

Silver jewelry

Lab diamond jewelry

Custom Gold jewelry

Create your dream jewelry in recycled gold with certified IGI/GIA diamonds - we offer personalized design and lifetime guarantee.

Custom Jewelry

Exclusive Scandinavian designer jewelry

Onyx Oslo is Norway's first Exo diamond jewelry brand, founded by a passionate couple in Oslo. Our vision is to unite Scandinavian minimalism with sustainable luxury - from handmade silver jewelry to engagement rings with lab-grown diamonds. Each piece is made with ethically sourced materials and a love for the craft.

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.

Best Selling Categories

Engagement Rings / Wedding rings - Onyx Oslo

Engagement and Wedding Rings

Celebrate your love with our Engagement & Wedding Rings collection. Featuring classic...

Silver earrings

Silver earrings

Enjoy timeless shine with our Silver Earrings collection. Crafted from sterling silver,...

Elegant halskjede i sølv med buet design og glitrende zirkonia, eksklusivt fra Onyx Oslo smykker.

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
Eksklusiv oval sølvring med 18K gullbelegg fra Onyx Oslo – elegant design for moderne kvinner

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

Lab emerald bracelet

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

Lab Emerald Bracelet
Eksklusivt Exo Diamond Classical Necklace i hvitt gull med diamanter fra Onyx Oslo – luksuriøst smykke til dame

Diamond pendant

Exo diamond necklace

Classic Exo diamond necklace - an elegant pendant with a round cut stone (0.5 ct) in gold-plated silver. Perfect balance between timeless design and modern diamond shine.

Diamond necklace

Jewellery in Oslo – Visit Our Studio

Explore handmade gemstone pieces crafted with recycled gold and silver, right in the heart of Frogner, Oslo

  • Laveste fraktkostnad i Norge og til resten av verden

    Shipping

    Free shipping in Norway forever.

  • Ta kontakt med oss ​​for å lage ditt eget personlige smykke med oss

    Consult with us

    Customize your jewelry and unique piece with sustainable gemstones and lifetime guarantee. Be a friend and not just a customer.

    Book time 
  • Få livstidsgaranti på smykker fra Onyx Oslo

    Lifetime guarantee

    Get lifetime guarantee on silver and gold jewelry when you select this.

    Explore our jewelry 
  • Støtt kvinneundervisning når du kjøper motesmykker

    Support Women education

    Every purchase is equal to 1 month of education for women in under developed countries.

  • Registered responsibility mark with patent office for Onyx Oslo

    Registered responsibility mark

    Look for our responsibility mark registered with Norwegian patent office on jewelry pieces for authenticity.

  • Onyx Oslo contribution for carbon neutral activities. Bærekraftige motesmykker

    Contribute to environment

    Sustainability is at the heart of our brand. Every product is carbon neutral from raw materials until it reaches you.

Minimalist fine Jewelry - Local Norwegian jewelry brand