Hello, and welcome to the J. Martoccia Diamond Buyers website. I have been certified by the Gemological Institute of America (GIA) for over 30 years, as a Master Diamond Grader. With my expertise and experience I can offer you the true market value for your diamond. At J. Martoccia Diamond Buyers, honesty and integrity is foremost in business. Call us today to find out more, 315-534-9973.