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Find your perfect diamond

RECEIVE YOUR PERSONALIZED SELECTION BY EMAIL

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Natural diamonds

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Lab grown diamonds

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Explore the world of diamonds

THE 4Cs:


Carat, Color, Clarity, Cut

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Investing in diamonds

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Latest market news

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Natural vs lab-grown:

The differences

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EXPERTISE, EXCELLENCE, SUSTAINABILITY

Rooted in a deep passion for diamonds, DIAMSTAR embodies a contemporary and committed vision of this extraordinary gem. With a forward-looking approach, it places innovation, sustainability, and responsibility at the heart of its mission.

Combining mastery, knowledge, and transparency, DIAMSTAR leads you through this distinctive world, where each diamond carries its own story.

ABOUT US

OUR COMMITMENTS

  • Traceability and origin

    We ensure strict traceability for all our natural diamonds, with their conflict-free origins verified in full compliance with the Kimberley Process. Additionally, we exclusively collaborate with partners certified by the Responsible Jewellery Council (RJC), who are committed to ethical and responsible practices.

  • INTERNATIONAL LABORATORY CERTIFICATE

    Each diamond is accompanied by a paper certificate issued by a world-renowned laboratory such as GIA, IGI or HRD. This official document certifies the stone’s authenticity and provides an accurate assessment of the 4Cs, ensuring complete transparency regarding the quality of your diamond.

  • NFT diamstar diamond certificate blockchain

    Diamstar NFT digital certificate

    We're innovating by also offering you a unique and exclusive digital Diamstar certificate, issued as a secure NFT on the blockchain. This tamper-proof certificate guarantees the authenticity of your diamond and allows you to own it in an innovative and lasting form.

    Learn more

  • Free and secure delivery

    We offer complimentary shipping on all orders within France and the EU. Every shipment is insured and securely handled, with the mode of transport carefully selected based your destination and the value of your purchase. We partner with FedEx and specialized carriers to ensure your order arrives safely and with complete peace of mind.

Do you have a particular stone in mind?

Our curated selection goes far beyond what you see here.

On request, we offer access to an exclusive range of gems — including a wide selection of fancy cuts and colors, exceptional natural diamonds over 2 carats, custom-made pairings, as well as fine pavé melees.

Let us know what you’re looking for via the form below, or contact us directly for tailored support.

Get my custom selection CONTACT US

  • Free delivery

    France and European Union

  • Dual certification

    Laboratory and blockchain

  • Secure transportation

    Guarantees and insurance

  • Human support

    Expertise and assistance 7/7