
Laurentian Jewellery Manufacturing (LJM) is a Canadian vintage costume jewelry brand founded in Montreal in 1952.

The company is known for its high quality jewelry and meticulous attention to detail. LJM craftsmen traditionally use imitation antique gold, onyx, and marcasite.

LJM offers a lifetime warranty on each piece.

As of 2025, Laurentian Jewelers is a family-owned jewelry store located in Montreal, Canada. The company specializes in creating custom jewelry and also imports jewelry from around the world.












