
Ethical gemstone jewelry
Exo Diamonds
Exo Diamond jewelry is made from timeless innovation. These diamonds outshine the traditional ones with unmatched shimmer 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 today.

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.

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.
Exclusive Scandinavian 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.
Best Selling Categories

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

Silver earrings
Enjoy timeless shine with our Silver Earrings collection. Crafted from sterling silver,...
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Classic 6 Claw Exo Diamond Ring
Regular price From $442.00 USDRegular priceUnit price per -
Zirconia Baguette Ring for women
Regular price $49.00 USDRegular priceUnit price per -
Tennis bracelet
Regular price $99.00 USDRegular priceUnit price per -
Exo Diamond Square Studs with Halo
Regular price From $491.00 USDRegular priceUnit price per

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.

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.
Scandinavian Minimalist Fine jewelry - Sustainable Jewelry
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Shipping
Free shipping on Orders over 150 USD or you local currency equivalent.
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Consult with us
Book timeCustomize your jewelry and unique piece with sustainable gemstones and lifetime guarantee. Be a friend and not just a customer.
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Lifetime guarantee
Explore our jewelryGet lifetime guarantee on silver and gold jewelry when you select this.
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Support Women education
Every purchase is equal to 1 month of education for women in under developed countries.
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Registered responsibility mark
Look for our responsibility mark registered with Norwegian patent office on jewelry pieces for authenticity.
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Contribute to environment
Sustainability is at the heart of our brand. Every product is carbon neutral from raw materials until it reaches you.