Like diamonds and other precious gemstones, rubies are graded in quality based on the four Cs: color, clarity, cut, and carat weight. When selecting loose rubies, learning the 4Cs can help you make the right choice in terms of preference and cost.

Most all rubies receive a heat treatment to improve color. This is an accepted industry practice. Also on the market are various synthetic rubies which are getting harder to tell apart from natural rubies.

To better inform you, we also talk about imitation rubies as well as common ruby misrepresentations and false claims.