Harmony Jewellers is a family owned business with stores located in downtown Grimsby and downtown Dunnville, Ontario. Established in 1975, we have been in business for almost 40 years and continue to provide our clients with outstanding quality service. We specialize in quality diamonds, estate jewellery, fine watches and custom-made jewellery. We also offer full appraisal service for insurance purposes and estate settlements.Harmony Jewellers is a family owned business with stores located in downtown Grimsby and downtown Dunnville, Ontario. Established in 1975, we have been in business for almost 40 years and continue to provide our clients with outstanding quality service. We specialize in quality diamonds, estate jewellery, fine watches and custom-made jewellery. We also offer full appraisal service for insurance purposes and estate settlements.