CO2 Diamonds
Your gateway to the world of lab-grown diamonds and custom jewelry.
Products & Services
Lab Grown Diamonds
Discover our collection of lab-grown diamonds, created using predominantly HPHT (High Pressure High Temperature) technology, with additional options made using CVD (Chemical Vapor Deposition) and Plasma methods. All our diamonds are certified, ensuring their quality and authenticity. Perfect for those seeking sustainable luxury.
Colored Lab Grown Diamonds
Explore our vibrant range of certified colored lab-grown diamonds, available in various shades and tones to suit your style or project. With a diverse stock ready to ship, you can add a splash of color to your creations while supporting sustainable practices.
Jewelry
Our jewelry catalog offers a wide selection of stunning pieces, perfect for this holiday season. Ready to deliver exceptional quality and timeless designs, our collection includes certified diamonds in rings, earrings, necklaces, and more. Celebrate the festivities with jewelry that combines elegance and eco-conscious values.
Customization
Let your imagination guide you with our customization services. Clients can request personalized diamonds in all shapes and sizes, including bigger ones, and in the color of their choice. Complement these diamonds with bespoke jewelry such as earrings, rings, and necklaces, tailored to your exact specifications.
Promotions
This holiday season, we are offering a selection of certified diamonds with huge discounts to spread the joy of sustainability. It’s the perfect opportunity to gift or create something extraordinary while supporting eco-friendly practices. Don’t miss out on these exclusive holiday deals!
About
The passion for chemistry and the search for a sustainable future:
CO2 Diamonds was born from Mara Santos' passion for chemistry and the search for a more sustainable future.
In 2018, on a trip to New York and faced with a large demand for diamonds, she had the idea of creating diamonds from atmospheric CO2.
Pioneers in sustainability:
From the beginning, CO2 Diamonds has been committed to sustainable practices.
We opt for lab grown diamonds, eliminating the need for traditional mining and its devastating effects on the environment. But we go beyond simply avoiding harm.
Innovation and customization:
With an innovative spirit, we invest in scientific research to create the highest quality lab grown diamonds by capturing and utilizing carbon dioxide (CO2), using HPHT method. This pioneer process not only intends to reduce our environmental footprint but also inspires a new vision for a sustainable future: a carbon economy where a once-problematic gas becomes a source of beauty and prosperity.
After global recognition and Portuguese and international awards (Cross-Border for Local Value 2021 - Carleton University and Best Business Idea 2021 - NOVA University) , we create partnerships to offer our customers a variety of customization options, so that each piece of jewelry is unique and reflects your individual style.
CO2 Diamonds is also an inaugural member of
LGDinTech, a network that drives innovation in the lab-grown diamond sector.
A vibrant community:
More than a startup, CO2 Diamonds has become a vibrant community of people who believe in a more sustainable future and authentic beauty. Together, we are building a legacy of positive change and lasting impact.
Join us on our journey!
Partners
At CO2 Diamonds, we believe that collaboration is the key to a more sustainable future.
Therefore, we are proud to have a solid ecosystem of partners who share our values and vision.
We thank all our partners for their contribution to our mission.
If you share our values and want to join us, fill out this
Partnership Application!
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