Our process explained
The diamond supply chain is a complex and intricate process, spanning millions of years from natural formation to final sale. Each stage adds value, ultimately transforming rough stones into precious gems suitable for investment or luxury markets.
Thesaurum has a long history of diamond acquisition and refinement that has been perfected over the company’s longstanding experience on the market.

Thesaurum sources diamonds directly from its own mine in Liberia, eliminating intermediary costs and ensuring complete control over sourcing. The company doesn’t use any heavy machinery - all diamonds are sourced exclusively through the most traditional method, alluvial mining. This method includes extracting sand and gravel from the bed of a river or stream using simple materials.
After extraction, rough diamonds are sorted by size, shape, clarity, and color. Stones are then valued based on their potential for cutting into marketable gems or industrial applications.

Thesaurum identifies the potential a diamond has in terms of the 4Cs early on in their lifecycle, which enables the company to more efficiently prioritize the high-value diamonds over others. This equally applies to both operational methods - mining and diamond flipping. Thesaurum exclusively deals in GIA-certified diamonds, guaranteeing adherence to internationally recognized grading standards. The company focuses on investment-grade diamonds.
Leveraging advanced technologies, including 3D scanning and automated grading tools, Thesaurum ensures precise evaluation of each diamond before purchase.

Thesaurum operates a cutting facility in Surat, India, a global hub renowned for its skilled artisans and advanced technology. Owning the cutting facility allows Thesaurum to streamline operations, reduce costs, and ensure quality control at every stage. Every rough diamond undergoes comprehensive 3D scanning to identify the most profitable cut. Thesaurum’s artisans specialize in achieving Excellent or Very Good grades for cut, maximizing light reflection and aesthetic appeal. The cutting process adheres strictly to optimal proportions, enhancing light reflection and creating high quality diamonds, targeting GIA certification with high marks in all categories.

Thesaurum integrates certification as a core component of its operations, ensuring that every diamond it trades meets the highest quality standards. The company only trades in diamonds certified by the GIA, guaranteeing adherence to the most stringent grading criteria. This practice builds trust 41 with investors and trading partners, who rely on the GIA’s reputation for accuracy and reliability. As we mentioned earlier, Thesaurum specializes in diamonds with top-tier certifications. By ensuring every diamond has a valid certificate, Thesaurum enhances resale value and market liquidity, which are key considerations for investors. Furthermore, because different labs may assign slightly varying grades to the same diamond, Thesaurum is using the GIA exclusively and cross-verifying certificates.

The company enjoys margins anywhere between 30% and 50% on each individual sale for diamond flipping and even higher when the diamonds are sourced from its own mine. With the introduction of the Thesaurum marketplace, the project will make the same high quality diamonds available to its users, while keeping the prices well below the retail prices at about 40-50% discount. Acquiring these diamonds with both fiat and TDTT tokens will be possible, with the TDTT token offering an additional 10% discount. Additionally, Thesaurum will offer diamond flipping as a service through the marketplace for diamonds acquired within the ecosystem, which has the benefit of already knowing the origin of the diamonds and greatly reducing the timeframes for a resale compared to external acquisition
The purchase and resale process
Investors acquire diamonds via the marketplace and want to resell them
Thesaurum gets 30% of the margin as commission
Diamonds are resold with 30-40% margins for the investor
70% of the margins plus the purchase price go back to investors in TDTT or fiat
150 customers worldwide
50 trading partners in Asia
30 - 40 % ROI Bimonthly
10.000.000
Revenue p.a.
Thesaurum will introduce the first Diamond Academy that will be integrated within the Thesaurum digital platform alongside all other functionalities. Users will have access to a variety of learning resources and programs based on their specific interest in diamonds.
What our customers are saying
Bernd Moser
I have been working with THESAURUM for a long time. The information I have learned there is very exciting in terms of securing assets and avoiding the risks of the stock and investment (fund) markets. I see investing in diamonds as a long-term investment with constant availability. I have been receiving my ROI payments punctually every 3 month now for 4 years. It's simply brilliant, and my wife is always happy to have some extra money for the household. The handling by the trustee and the 100% security also give us peace of mind.
Sylvia Sigg-Mayer
As I have been looking into alternative investment opportunities for some time now – in addition to real estate, stocks, and gold – I came across THESAURUM's offering. THESAURUM and its team are very down-to-earth and met me exactly where I was in terms of my knowledge, explaining the topic of diamonds in a very understandable way. I felt well advised and in good hands at all times. For me, this asset class is a really sensible addition, especially in today's economically uncertain times. I would definitely recommend them, particularly for their advisory services and punctual payments.
Josef Dreher
I have been with THESAURUM for 15 months now and was totally skeptical at first. I thought my friend who recommended THESAURUM to me had lost his mind, but experience has proven me wrong. In particular, the transparency of all transactions and the punctual billing and payments are something I have never seen from any other company. SUPER! The wealth of experience and concentrated expertise I have encountered here cannot be summarized in a few words. I am absolutely thrilled and will continue to add to my diamond investment to secure my assets, because my capital is 100% secure and legally certified. Keep up the good work and stay open and honest!
Franz von Wittenstein
I am extremely satisfied with the cooperation. My contact persons are always available to me with their expertise! In this small niche for asset diversification, the range of investment-grade diamonds is virtually unrivalled in Germany, Austria and Switzerland in terms of price-performance ratio! The system itself is unique on the market and I am glad that I can build up my TDC Club very intensively through recommendations. Keep up the good work, THESAURUM, you are number 1.
Monika Furchtmann-Finke
You can't get more expertise and quality on the market. I held the diamonds in my own hands and was able to see for myself that everything was above board. Top company, advice, and support. Above all, the absolute transparency, the security provided by the trust, and the punctual monthly payments of profits are unmatched on the market. Thank you very much for the reliable and high-quality service and cooperation. I can only recommend that everyone seek advice, because you can ONLY win.
Dr. Christian Vogelsang
For me as a layman I was very suspicious and didn't want to make an appointment because you hear so much. Thank God I decided to go ahead and get some advice, and I can only thank the THESAURUM team for their excellent explanation and clarification on this topic. Exciting investment and suitable for diversifying your portfolio. They place a lot of emphasis on security and transparency. In my opinion... highly recommended!
The capital we raised in the private sale is fully backed by 10 certified investment-grade diamonds, physically secured and verified under the legal supervision of our official fiduciary Kanzlei Hoesmann, represented by Tim Hoesmann – Fiduciary & Legal Trustee of THESAURUM.

Resources
Read our white paper and one pager to learn more about our mission and offering.