The 17th century £21,000,000 diamond at the centre of a royal family court battle
A royal family feud over a prized diamond which could be worth up to £21 million is set to be thrashed out at the High Court.
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Alrosa plans to sell most expensive diamond ever cut in Russia in fall
including the 51.38 carat diamond of the same name, the most expensive among the ones ever cut in Russia, the Russian diamond miner said on Tuesday. The starting price of the collection can be $10 ...
Aga Khan emerald, world's most expensive green stone, fetches record $9 million at auction
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...
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How Le Vian made chocolate diamond jewelry popular and expensive
Why are Chocolate Diamonds so expensive ... through rocks and cut glass. But in 1986, Argyle Mine opened. Today, it produces more diamonds than any other mine in the world. Most of them being ...
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A 28-carat diamond just became the most expensive jewel ever auctioned online after selling for over $2.1 million
The auction house sold a 28.86-carat diamond for $2,115,000 in an online auction — the most expensive diamond to ... due to the fact that it's emerald-cut and formed with pure carbon.
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Why pearls, black opal, and chocolate diamonds are so expensive
Meline: A pearl is one of the most ... diamonds need to fall in a specific shade, between C4 and C6, on the industry's color scale, which is more of a milk than a dark chocolate. More from So ...