As it was in our beginnings in New York's Diamond District and in our present as an ecommerce company, KASSOY continuously strives to be at the forefront of technology, bringing you the best of what you need in times of constant change and development within the industry. KASSOY is known for carrying the best gemological microscopes, the largest selection of loupes; being a leading distributor of gold and diamond scales, diamond grading lamps, and Diamond, Moissanite, and CVD/HPHT Diamond Tester