The Smithsonian’s National Museum of Natural History will put the “Lion of Merelani,” which is one of the most finely detailed colored gemstones in the world, on public view starting Thursday. The ...

Africa's leading authority on rare colored gemstones, The Rare Gemstone Company, unveils one of its most exceptional pieces ...

The Smithsonian's National Museum of Natural History acquired one of the world's rarest gemstones.Natural red diamonds are some of the rarest gems on Earth, and the Winston Red Diamond is exceptional ...

From the beginning of time, human beings have been interested in extraordinary and valuable substances whose worth cannot be measured. These include precious stones that sparkle brilliantly to ...

Kyawthuite, a unique mineral, was discovered in Myanmar's Chaung-Gyi Valley in 2010 and recognized in 2015. The single known specimen, a reddish-orange gem, is housed at the Natural History Museum of ...

Gemstones are treasured for their exquisite beauty, sentimental symbolism and—perhaps most importantly—their market value. These precious pieces of rare rock, once polished and cut, can be worth tens ...

Many gemstones such as diamonds, rubies, and sapphires are naturally crystallized ores of substances such as carbon and aluminum oxide. The value of a gemstone is determined not only by the beauty of ...

Many people know that diamond is actually pretty common when it comes to gemstones (you can find millions of them in your typical candle flame), but who among us can actually name any that are rarer?

A Sri Lankan gem company claims it has discovered the world's largest single natural blue sapphire, a 683-pound gemstone that it plans to auction after obtaining an official valuation. A 310 kilograms ...

The demand for gemstones is increasing, and fake gemstones are becoming a prominent and difficult-to-tackle problem in the jewelry and gemstone industries. Synthetic, fake, and enhanced gemstones can ...

Tsavorite garnet is among the world's rarest colored gemstones, found exclusively in a narrow geological belt spanning parts of Kenya and Tanzania in East Africa. The mineral's scarcity becomes ...