Most Valuable Gem in the World
Okay, hold on. Red beryl is rare, but the most expensive gem ever sold at auction is a diamond. Surprised? Me too. In 2017, the Pink Star, a 59.60-carat pink diamond, fetched $71.2 million. That’s more than the GDP of a small island nation.
Why pink? Because pure pink diamonds are freakishly rare. They get their color from a distortion in the crystal lattice—basically, the stone got squeezed really hard deep in the Earth. It’s like a stress blush from the planet itself.
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But here’s the kicker: the Pink Star is a single gem. The red beryl is a species of gem. So which is “most valuable”? Depends on how you measure it. Per carat, red beryl wins. Total price? The Pink Star wins. Confusing? Welcome to the gem world.
The Granddaddy of Them All: The “The Cullinan”
Wait, there’s a bigger fish. The Cullinan Diamond, found in 1905, was 3,106 carats raw. That’s like a small human head made of diamond. It was cut into nine major stones, and the largest—the Great Star of Africa—sits in the British Crown Jewels. It’s priceless.
But here’s the thing: “priceless” doesn’t mean “most valuable.” It means no one can afford it. The Cullinan is so historically significant that if it were sold, it’d probably break the entire auction system. So we kind of have to ignore it for this conversation.
And that’s the trick with gems: their value is a mix of rarity, beauty, and story. The Pink Star has a story of a 29-carat rough stone being cut into perfection. Red beryl has a story of a mountain that only yields a handful of crystals per year.