Operator Of Boston’s First Gem Lab Open To Public, Amoroso Is Committed To Providing The Highest Level Of Products & Services Amoroso Jewelers was founded in 1948 by Louis R. Amoroso and has been family owned and operated for over 60 years. In 1975, Robert Amoroso completed the residence program at the GIA and became the first graduate gemologist to establish a gem lab open to the public in Boston. Amoroso Jewelers has always felt the educated consumer was their best consumer. To that end, the firm designed their gem lab to promote GIA diamond nomenclature, gemstone identification and appraisals. Amoroso has always been committed to providing the highest level of products and services at affordable prices. Amoroso Jewelers is able to offer quality diamonds, colored gems and jewelry at very low prices because they eliminate the middlemen in both manufacturing and when buying the gemstones.