The Queen's bling-bling of a jubilee! Priceless tiaras, necklaces and brooches. The ultimate diamond collection is revealed for the first time

Some had to be smuggled past a revolutionary mob. Some had to be prised from the grasp of a royal mistress. The majority were presented as tokens of esteem, reverence and — for the most part — love. Together, they comprise surely the finest collection of diamonds i …

Ten gemstones that are rarer than diamond

We've all heard that diamond is actually pretty common when it comes to gemstones (seriously, you can find millions of them in your typical candle flame), but who among us — short of those fostering a wicked gem-obsession — can actually name any that are rarer?

Wedding Ring Found After Toilet Flush - ABC News

"It was slow motion. That ring bounced off, landed in the toilet just as it was flushing down, and it just took off."

Quantum computer built inside a diamond

Diamonds are forever -- or, at least, the effects of this diamond on quantum computing may be. A team that includes scientists from USC has built a quantum computer in a diamond, the first of its kind to include protection against "decoherence" -- noise that prevents the comput …

Woman finds 476 diamonds in elevator

Police in Russia said they are trying to find the rightful owner of a package containing nearly 500 diamonds discovered in an elevator.