About Le Joaillier Fine Jewelry
Le Joaillier Fine Jewelry is an independent, family-owned business founded in 1961 in New York’s Diamond District. In 1979, we relocated along Long Island’s “Gold Coast” in Locust Valley.
Len Margolis, GIA Graduate Gemologist, is the second-generation owner. His love of gems and beautiful jewelry, along with meticulous attention to detail, is reflected in the pieces that he purchases and creates.Le Joaillier is a full-service jewelry store for all your jewelry purchases, custom designs, repairs, engraving, and more.
Our top priority is to ensure all of your jewelry needs are met in a professional and courteous manner while providing our customers with personalized service all at affordable prices.