Your partner in Diamond solutions

Shaping the future of luxury
one gem at a time

Kali4 GmbH is a Switzerland-based company headquartered in Appenzell, specializing in the international trading of luxury goods, including diamonds and precious stones. With a strong focus on the B2B market, Kali4 GmbH provides bespoke solutions for luxury sales networks, offering tailor-made logistics services of the highest standard. The company ensures a seamless and secure trading experience, catering to the specific needs of its elite clientele with personalized and highly efficient distribution strategies.

50+

15

Trusted by Companies

Reliable Partner

Bespoke solutions, as flawless as our diamonds.

Exclusive B2B Diamond Solutions: Precision, Security, and Customization

Tailored Sourcing & Procurement

Kali4 GmbH provides bespoke diamond sourcing services, leveraging a global network of trusted suppliers to meet specific client requirements. Whether a buyer is looking for certified investment-grade diamonds, rare colored stones, or high-volume orders, we ensure access to the finest selections. Our team conducts rigorous quality assessments, verifying certifications from leading gemological institutions (GIA, IGI, HRD) to guarantee authenticity and value.

Secure & Custom Logistics Solutions

Understanding the importance of security and efficiency in diamond trading, we offer highly specialized logistics services, including:
Fully insured shipments with end-to-end tracking
Private handling & discreet delivery to ensure confidentiality
Custom clearance support for international transactions
These solutions allow clients to trade globally with confidence, knowing their assets are protected at every step.

For luxury brands, jewelers, and investment firms, Kali4 GmbH offers white-label and private diamond curation services. This includes:
Tailor-made assortments curated to a brand’s specifications
Exclusive sourcing of unique or rare stones
Consulting on diamond selection for high-end collections
This solution helps businesses enhance their offerings with premium, customized diamond selections, strengthening their position in the luxury market.

White-Label & Bespoke Diamond Services

Our offices

FAQ

Who does Kali4 GmbH work with?
Kali4 GmbH operates almost exclusively in the B2B market, serving wholesalers, luxury brands, high-end jewelers, and investors. Retail transactions are only considered in exceptional cases.

What types of products does Kali4 GmbH trade?
We specialize in the international trading of luxury goods, particularly diamonds and precious stones. Our selection includes both certified and investment-grade gems.

What is Kali4 GmbH's geographical coverage?
We operate worldwide, providing our luxury trading and tailored logistics services to clients across Europe, the Middle East, Asia, and the Americas.

How does Kali4 GmbH ensure the security of shipments?
We offer highly customized and secure logistics solutions, including insured transport, private handling, and specialized couriers, ensuring that all transactions and deliveries meet the highest security standards.

Can Kali4 GmbH assist in sourcing specific diamonds or gemstones?
Yes, we provide bespoke sourcing services for our clients, leveraging our extensive network to locate rare and unique stones that match precise specifications.

What kind of certification do your diamonds and gemstones come with?
All our diamonds and precious stones come with internationally recognized certifications from institutions such as GIA, IGI, and HRD, ensuring authenticity and quality.

Does Kali4 GmbH offer financing options for bulk purchases?
Yes, we provide tailor-made financial solutions depending on the client’s needs and the transaction structure. Please contact us for specific arrangements.

How does Kali4 GmbH handle confidentiality and discretion?
Discretion is at the core of our operations. We adhere to strict confidentiality agreements, ensuring that all transactions and client details remain private and secure.

How can I become a client of Kali4 GmbH?
To initiate a business relationship, please contact us through our official channels. We require a business verification process to ensure compliance with our B2B framework.

What are the payment terms and accepted currencies?
We accept major international currencies and provide flexible payment terms based on the nature of the transaction. For further details, please consult our sales team.

Contact us for any other question