When you think of expensive gemstones, what comes to mind? Most people think of the Big Four: diamonds, emeralds, rubies and sapphires. However, it might surprise you to know that there are ...

Discover the extraordinary Gold Sheen Sapphire, a rare gemstone with a striking golden glow. Learn about its discovery, rarity, investment potential, and global demand.

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy. After investing tens of thousands of ...

The shinier the pearl, the better. Black opal is one of the rarest gemstones in the world, sought after for its seemingly infinite display of colors, compared to common opal, which is usually one ...

The Grand Egyptian Museum (GEM) on Monday received 202 artifacts from the Egyptian Museum in Tahrir Square and the Giza Pyramids area, said the General Supervisor of the GEM Atef Moftah.