TESIRO’s mother company-Eurostar Diamond Traders is a leading global diamond conglomerate with annual sales of over $1 billion per annum. Eurostar has a world-class network of fully integrated and technologically advanced diamond cutting and polishing centers, employing 10,000 professionals worldwide, including an elite group of the most highly skilled diamond artisans in the world. Eurostar specializes in the full range of fine diamonds with a dedicated focus on providing unparalleled supply consistency, service, and quality.