Sapphires, rubies, and emeralds are the three most-used coloured gemstones in fine jewellery. Sapphire (Mohs 9) is the toughest and comes in nearly every colour, not just blue. Ruby (Mohs 9) is the red variety...

The 4Cs are Cut, Colour, Clarity, and Carat. **Cut matters most** because it controls how the diamond reflects light, and most buyers in Montréal underspend on it. Colour and clarity have wide ranges where the...

Here's how to actually pick an engagement ring without getting lost in jargon. Decide on three things in this order: **shape** (the diamond's outline), **setting** (how the metal holds it), and **carat** (the weight, which...

A diamond certificate is a lab report that grades a stone's 4Cs — carat, colour, clarity, and cut. The two reports we trust most at Bijouterie Jamil in Montréal are **GIA** (Gemological Institute of America)...

Lab-grown and natural diamonds are chemically identical — both are pure carbon, both score 10 on the Mohs hardness scale, and both look the same to the naked eye. The real difference is origin and...