STIG INTERNATIONAL
Buy diamonds with certified origin
GIA-certified diamonds from selected partner mines and international trading networks.
STIG INTERNATIONAL specializes in the sourcing and sale of premium natural diamonds. Our focus is on transparency, quality, and the traceable origin of every individual stone.
- 01Certified qualityEvery diamond is certified by the Gemological Institute of America (GIA) and verified to international quality standards.
- 02Reliable originWe work with selected partner mines and established supply chains to ensure documented and transparent origin.
- 03International networkThrough our global partnerships, we provide access to premium natural diamonds for clients in Europe, the Middle East, and Asia.
SIMPLE, TRANSPARENT
AND TRUSTWORTHY
Purchasing a diamond should be simple, transparent, and trustworthy. That is why we place particular emphasis on independent certification, clear documentation, and professional execution.
Every stone is provided with the relevant certificates and quality characteristics, so our clients know exactly what they are acquiring.
PERFECTION
DOWN TO THE FINEST DETAIL
Behind every exceptional diamond lies exceptional craftsmanship. Our partner cutting facilities are among the industry's most experienced specialists and work to the highest international quality standards.
With the utmost precision, every rough diamond is cut to reveal its maximum brilliance, clarity, and radiance. The result is diamonds that are not only certified but also finished to the strictest quality standards.
Quality is not a promise for us — it is the standard.
IN PERSON
OR DIRECTLY ONLINE
You acquire our diamonds through direct inquiries and personal consultation — or right here in the online shop.
Every stone in the shop is listed with its report number, price and availability; the report number links straight to the laboratory's original. Discover and acquire selected GIA-certified diamonds conveniently online.
View diamondsSTIG INTERNATIONAL
INTERESTED IN
OUR DIAMONDS?
Discover our diamonds in the shop or contact our team. We will gladly inform you personally about available stones and advise you on your choice.