To assure consumer confidence, gemstone laboratories have long been issuing certificates which attest to a stone's authenticity.
According to a new report from Reportlinker.com, black SiC has been the largest market and is expected to show the highest growth up to 2019
Researchers from Rice University in Houston, Texas, have discovered a new carbon supermaterial that is stronger and stiffer than graphene and diamonds: carbyne.
Diamond giant De Beers is contemplating the feasibility of expanding its Victor diamond mine on the James Bay Coast of northern Ontario
Riding the coattails of the largest diamond company operating in the country, Sierra Leone significantly increased its diamond exports in the first six months of 2013
Botswana Diamonds has announced a joint venture for the exploration of diamonds in Botswana featuring technology developed by Russian diamond company Alrosa which will be used in Botswana for the first time.
A rare round blue diamond will go under Sotheby’s hammer in Hong Kong this October, with experts saying it will easily fetch a record-breaking US$19 million, or $2.5 million per carat.
Gem Diamonds Ltd reported a 39 percent fall in first-half profit as lower production and recovery of lower-grade ore at its key Letseng mine in Lesotho weighed on earnings.
The new synthetic diamond Global Innovation Centre (GIC) in Harwell, Oxfordshire, UK, is officially open.
A Zimbabwean research agency predicts that the global supply of rough diamonds will increase by ten to fifteen million carats in the years to come, but that this increase will consist of lower value stones
Russian state-owned diamond company Alrosa announced yesterday that it had emerged victorious in an auction over rights to explore and mine two sites in Western Yakutia for diamonds
Diamond miner Lucara Diamond Corp reported revenues of $47.2 million for the second quarter, and $79.7 million for the half-year period.
Petra Diamonds Limited projected rough diamond output of 3 million carats for the fiscal year that ends on June 30, 2014, which is at the high-end of earlier guidance and represents a 12 percent increase from fiscal year 2013.
The New York-based gemological lab Analytical Gemology & Jewelry (AG&J) has issued a warning about harder to detect CVD diamonds being sold as natural, type IIa brown stones
In its latest issue, a peer-reviewed journal published by the Geological Society of America printed an article which claims that India may harbor rough diamonds in abundance
Geologists at the National Geophysical Research Institute in Hyderabad, India, have published a study claiming that India’s southeastern regions may have enough kimberlite to make the country dominate the world's diamond market in the near future.
ALROSA’s diamond production rose 16 percent year on year to 9.627 million carats in the second quarter that ended on June 30.
Angolan diamond mining company Sociedade Mineira do Catoca plans to distribute all of its 2012 profit of $131.7 million to its shareholders, according to the company’s annual report and accounts
The latest figures to emerge from the epicenter of China's diamond trade suggest that dollar value of the imports and exports actually rose modestly in the first half of the 2013 calendar year
A reduction in the profits remitted to the government of Botswana by the diamond company it co-owns with diamond giant De Beers could spell hardship for the country, where mining makes up a large proportion of the nation's earnings
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