Narrator: Believe it or not, this is a diamond. And the reason you can't see it is because it's covered with the darkest color on Earth. In fact, this material is so dark that it captures at least ...

Among colorless diamonds, there’s a 10.64-carat cushion-cut diamond of F color and VS2 clarity mounted on a platinum ring. Its estimate is $200,000 - $300,000. A pair of natural pearl and ...