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Chinese scientists make rare, ultra-hard, pure ‘super diamond’ in the lab
Previously, the hardest diamonds were found only in impact craters, making them very rare and small. The first ultra-hard diamond was found in the Canyon Diablo meteorite in Arizona in 1967.
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A Rare 15-Carat Yellow Diamond Ring Could Fetch $1.2 Million at Auction This Spring
The auction house is offering a dazzling selection of colored diamonds ... the high waste of raw materials it causes. As such, this particular piece is considered extremely rare.
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Scientists create rare ‘super diamond’ 40% harder than the real thing
Until now, the hardest diamonds have been found in asteroid and meteoroid impact craters, meaning they are rare and often very small. Most natural and synthetic diamonds have a cubic structure ...
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New world record: A rare Russian pink diamond called the ‘Spirit of the Rose’ sells for whopping $27 million
It was sold in Hong Kong for $71.2 million. Dubbed the ‘Spirit of the Rose’, the rare pink diamond is derived from the biggest raw stone ever found of that colour in Russia. Pink diamonds are ...
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Ocean diamonds bring a raw edge to Deborah Blyth’s first fine jewellery collection
‘The sea has always been a huge influence on my designs, as has the desire to be as sustainable as possible, so when I discovered these raw diamonds, it was as if everything just came together,’ the ...
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Rare pink diamond sells for HK$453.2 million in Hong Kong
A rare pink diamond has sold for HK$453.2 million (US$57.7 million) in Hong Kong, setting a record for price per carat paid at auction for any diamond or gemstone, according to Sotheby’s auction ...