But let’s be a bit more specific. What gives gemstones colors, or rather, what changes the way they absorb and reflect light so that they come out in so many different, striking colors?

black opal exhibits many different colors contrasted by a dark body tone. Frederick: It's simply the most stunning gemstone on the planet. It's just remarkably beautiful. You can put the thing ...

Holi, the festival of colors, celebrates unity and joy. Similarly, nature crafts its own colorful masterpieces—natural colored diamonds—over billions of years. These rare gems, varying from pinks to ...