sapphire

Although non-gem corundum occurs abundantly all over the world, gem-quality ruby and sapphire are significantly rarer. Their sources are also…

Rubies and sapphires are some of the most well-known jewelry stones. Let’s take a look at the rare geological conditions in which rubies…

The best rough sapphire stones may come from different sources, depending on the color you want. However, valuable blues may pose some faceting…

This sapphire leans a bit more toward blue in natural daylight and is one I cut to fit the odd shape of the rough.

In a recent interview, Jeffery Bergman talks about his decades-long career as a sapphire expert and connoisseur and offers his advice for beginners.…

Ruby and sapphire origins greatly affect the values of these prized gems. Learn where these stones occur and how inclusions can help identify their…

Since the supply of fine quality rubies and sapphires is limited, many techniques have been developed to enhance their appearance. In fact, no…

The distinction between ruby and sapphire is more nebulous than most people realize. These gems are the same mineral: corundum. Color is the only…

What’s the difference between rubies and pink sapphires? According to one old joke, that depends on whether you’re the buyer or the seller.…