sapphire

Trapiche emerald gems are some of the world’s rarest emeralds. Learn where they’re found and how their characteristic “spoked wheel” patterns…

What’s the difference between a lab-created emerald and a natural emerald? Is a synthetic gem a real gem? Learn the facts before you buy emerald…

Emerald treatments, such as oiling, are very common. Learn what these techniques do, how emeralds are graded, and what gems make great green alternatives,…

Although Tanzania is a source of rubies, so-called Serengeti rubies are more likely to be garnets. Learn more about rubies and misleading gem names…

There are many ways to grow ruby and sapphire in a lab. However, determining the best synthetic corundum for faceting depends on why you’re cutting…

Discover the rich historical emerald meaning and symbolism from Cleopatra’s treasures to religious significance. Learn what emerald stones…

Question: Are there any tricks to finding the curved striae or curved lines in synthetic ruby and sapphire? Sometimes I have trouble finding them.…

Question: Which laboratory method creates the best synthetic corundum for faceting? By International Gem Society 2 minute read Synthetic…

In a recent phone call, Jeffery Bergman of Primagem, discussed his career in the gem trade. His decades-long career has taken its share of twists…