Blue diamonds, among the rarest gems on Earth, are born deep inside the planet’s mantle. Yet their blue hue comes from boron, an element far more abundant in Earth’s crust than its mantle. Using tiny ...

Blue diamonds shine with a particular allure within the cultural zeitgeist. From Titanic’s fictional “Heart of the Ocean” to the real-life, possibly cursed Hope Diamond, these hued gems have captured ...

Washington, DC--Blue diamonds--like the world-famous Hope Diamond at the National Museum of Natural History--formed up to four times deeper in the Earth's mantle than most other diamonds, according to ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The origin of blue diamonds—some of the scarcest stones in the ...

Is anything better than a fancy diamond? Actually, yes: a "fancy, intense" diamond. And according to one official scale of superlatives used to grade diamonds, even better than a "fancy, intense" ...