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 ...

In this article, we’ll list the most expensive gemstones in the world and discuss their rarity. You can skip the details and read 5 Most Expensive Gemstones in the World. Gemstones are ...

Because of its rarity and deep, rich tones, serendibite is one of the most valuable and wanted gemstones among elite collectors. These are a classic symbol of love and luxury, and are made ...

this bluish-green mineral is one of the most elusive gemstones. Its transparency and colour saturation play a significant role in its value, making high-quality grandidierite incredibly rare and ...

in particular — rubies are also considered among the world’s rarest and most valuable gemstones. The previous auction record for a ruby was set by the Sunrise Ruby, a 25.59-carat stone found ...

As of this writing, it's valued around $33 per gram. However, it's not even in the same galaxy as Antimatter, the most expensive item on the list. If you're thinking of shelling out any of your ...