ADG Jewels is one of the largest vertically integrated colored stone jewelry manufacturers in the world, with offices in New York, Hong Kong, Tanzania (Arusha), and Jaipur, India. Our story is 40 years in the making to become a leader in the wholesale gemstone and fine jewelry industry. We deal directly with the mines to obtain the highest quality stones available. Our company brings the rough stones from the mines to our own manufacturing facilities that supply finished fine jewelry. With no intermediaries, the savings are passed on to your business.