Barthau Jewellers has been Markham and Stouffville's most trusted quality jeweller for over 45 years. Our quality jewellery speaks for itself. We carry some of the finest brands available and some of the world's most brilliant diamonds. We have prided ourselves on always growing and learning to better serve our customers. Barthau Jewellers has Master Graduate Gemologists, Expert Goldsmiths, and a watchmaker to serve you, as well as friendly sales associates.