Who We Are


Closeup Of Store

Established in 1895, we are an independent full service jeweller Located in Petrolia, Ontario. Grandis is based in a beautifully restored heritage building originally the town’s “Oddfellows Hall” which was built in 1880. We’ve restored this gem of a property to its original grandeur . It is the perfect setting to showcase our beautiful jewellery and numerous services.

We feature a wonderful collection of fine and custom made jewellery, including many styles and products that are exclusive to us. We import our diamonds, gemstones and much of our jewellery directly so our selection is varied and our prices are exceptional.

We are members of the Canadian Jewellers Association, the Sarnia Chamber of Commerce and the elite American Gem Society.

We feature exquisite high quality jewellery and diamonds, honest, no hassle prices and we personally guarantee everything we sell with over one hundred years of integrity and service. We don’t use gimmicks to keep your business …….that’s why we’ve been Sarnia Lambton’s most trusted jewellers and gemmologists since 1895.

Among our many services, Grandis has one of only 13 accredited gem laboratories in Canada, staffed by gemmologists. We have a computerized custom design centre. We also have a repair shop which does repairs and restorations, many done while you wait!

Over 90% of our clients are return shoppers and our #1 source of new clients is word of mouth. We have honest prices, a great selection, quick service and an amazing staff. We want to be your personal jeweller. See for yourself why we enjoy such a loyal following. Remember…life is not measured by the breaths you take, but by the moments that take your breath away!”

If You Don’t Know Your Diamonds, Know Your Jeweller.​​​​​​​