ASSETS CERTIFIED
INVESTMENT-GraDE GEMSTONES AS AN ASSET
Institutional testing and certification of colored gemstones as investment assets. The German Gemstone House combines gemological expertise, sound valuations, and legally compliant documentation under one roof.
Every assessment, every certificate, and every handover is carried out according to verifiable, documented standards.
NEW REAL VALUES
INDEPENDENTLY TESTED AND SEALED
HISTORICALLY PROVEN VALUE BEHAVIOR
Historically, high-quality colored gemstones have demonstrated strong price stability and long-term value appreciation—with low correlation to stock market volatility and economic fluctuations.
Their value is based on natural rarity, exceptional quality, and documented provenance. This makes them both objects of beauty and substantial stores of value that can be passed down through generations.
Portfolio
INVESTMENT-READY COLOR GEMSTONES
Of over a thousand varieties, only a few meet the requirements for investment grade: natural formation, no synthetic or color-treated stones, certified properties, and traceable origin. The portfolio focuses on those gemstones that have proven their value internationally.
QUALITY AND SAFETY
Every transaction follows established testing and security procedures. These are documented in the 7-point quality certificate and guarantee traceability and protection against tampering.
An independent laboratory report is available for each individual stone. The gemstone certificate documents authenticity, properties, and - where possible - origin, and is provided in both physical and digital form.
Note: Click on each gemstone to enlarge it.
GEMSTONES AS
A Substantial Investment
Investment-grade colored gemstones represent real, physical value with global acceptance.
They combine natural scarcity, high value concentration, and international tradability in a unique asset class.
As physical assets outside traditional financial market structures, they can contribute to strategic portfolio diversification:
WEBINAR & MEDIA LIBRARY
This webinar provides a concise overview of evaluation logic, certification, and market mechanisms. Its aim is to provide guidance for informed decision-making.
Analyses, background information, and interviews provide a structured classification – factual and informative.
ABOUT THE GERMAN GEMSTONE HOUSE
The German Gemstone House sets institutional standards in the selection, testing, and transfer of colored gemstones as assets.
With experienced management, external gemological partners, certified Chamber of Commerce experts, and a robust documentation system, DEH sets institutional standards for gemstone investments.
The management
Responsibility, expertise, integrity.
The German Gemstone House is managed by Alexander Streeb and Oliver Kleinmaier, who bring combined expertise in finance, asset valuation, and process management. They oversee all processes—from selection and laboratory testing to certification and handover, ensuring they are clearly defined, documented, and traceable. This creates a management structure that not only assumes responsibility but also makes it demonstrable—binding, objective, and transparent.
Working principles
independence
Collaboration with external laboratories and sworn experts. The strict separation of selection and evaluation ensures objectivity.
documentation
Every stone is fully documented – from purchase and laboratory analysis to delivery. All processes are digitally archived and can be accessed at any time.
care
The four-eyes principle, video documentation and standardized procedures ensure consistently high testing quality.
transparency
Clear criteria, understandable communication – values that apply to every transaction.
any questions?
Confidential, expert advice. Inquiries are received in a structured manner and answered promptly.
Consultations are possible by phone, online or in person.
