Dianelum’s Fundraising Journey with Token City

First fully regulated, on-chain native €5M bond issued using Token City’s custom branded SaaS platform

“Being able to access and manage funding via a financial operation in our own terms was instrumental in order to raise capital and start production of our branded diamonds, in partnership with global brands.”

Jonathan Gonzalez, CEO Dianelum

Setting the Stage

Dianelum reshaped the diamond market through lab production, a sustainable alternative to traditional extraction. To fuel its ambitious business plan, the company set out to raise €5 million via a digital investment platform that could offer regulatory confidence, ease of use, and enable investor access from anywhere. Dianelum needed expert support to:

Design a fundraising operation that aligned with both business goals and investor expectations.
Navigate an evolving European regulatory landscape in the field of tokenized assets.
Ensure full compliance with financial laws while making its investment fully digital.
Provide a secure environment and a positive user experience to investors.

So they turned to Token City.

Tailored Digital Infrastructure

Token City delivered a dual-layered solution, combining advanced technology with regulatory and financial expertise.

Branded Investment Platform

Token City provided a white-label platform entirely customized to Dianelum's branding. This web-based portal enables investors to access offer documentation, complete KYC, and make tokenized investments easily and securely.

Blockchain Service

Fully digital, regulated and secure assets are guaranteed by the issuance of ERC3643, ERC734, and ERC735 tokens with modular functionality for regulatory compliance, identity management, asset management, and a security layer.

Registrar-enabled Regulatory Flow

Token City enabled native connection with Ursus-3Capital, the designated blockchain registrar, and ensured seamless integration with the designated custodian. Ursus-3Capital's registrar platform is also powered by Token City.

Legal and Strategic Guidance

Token City's legal and finance team worked hand-in-hand with Dianelum to structure the offer in accordance with MiFID, MiCA, DORA, AML/CTF and all other applicable regulations.

Full Control: Dianelum independently and efficiently managed all aspects of the fundraising process: onboarding, verification, asset traceability, and investor communication.

Continuous Compliance: Token City’s smart contract design and expert advisory ensured that every transaction, identity verification, and token transfer complied with applicable regulations.

Resilient and Secure Architecture: Layered security—including identity-backed wallets and token recovery protocols—protected the issuer and investors against operational risks and cyber threats.

Strategic Financial Execution: With Token City’s support, Dianelum structured its financial proposal to align with its goal of attracting the right investors, delivering a technologically and legally sound offer.

Looking for more?

Download the white paper (Spanish)

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