Mozaffarian,s name is known to Iranians and has always reminded jewellery, due to its long and brilliant experience in this field. Mozaffarian started jewellery during Zand kingdom and became professional in Ghajar period. Mozaffarian with about three centuries of experience is one of the oldest familes in jewel profession in the world. The history of gemology in this family has always proved its innovation,creation and perfectionism. In this genealogy,there have always been some rare pioneers with a good command on gemological sciences and artistic make and design in this noble art and industry. Siavash Mozaffarian,s success and popularities are now resulting from the combination of his ancestors long experienc with the latest scientific and technological achievements in gemology design and make.