'World's biggest, best diamonds formed deep inside Earth's mantle'
Researchers from the Gemological Institute of America studied the unique properties of diamonds with similar characteristics to famous stones such as the Cullinan, Constellation and Kohinoor by examining their so-called "offcuts," which are the pieces left over after the gem's facets are cut for maximum sparkle.
Dec 16, 2016, 14:22 PM ISTUnbelievable: Diamonds valued Rs 3 crore remain unclaimed for 16 years in government treasury!
It may turn out to be a tad surprising, but a treasury office in Gandhinagar is home to diamonds, worth over Rs 3 crore, for the past 16 years, as there are no takers for the same.
May 06, 2016, 12:09 PM ISTPM Modi asks Belgian CEOs to expand ties with India beyond diamonds
Prime Minister Narendra Modi on Wednesday told the business leaders of Belgium that while diamonds remain India`s age-old link with their nation, new opportunities have opened up in his country, notably in IT and infrastructure.
Diamonds used to "probe" ancient Earth
While the diamonds of this study were found in 3 billion-year-old sedimentary rocks, diamond formation occurred much deeper, within Earth's mantle.
Jan 24, 2016, 15:55 PM ISTTrafficking in natural resources fuels instability, terrorism: Pope
Pope Francis on Thursday urged global action against illegal trafficking of blood diamonds, ivory and other natural resources, saying it caused political instability and "terrorism".
Nov 26, 2015, 22:51 PM ISTDiamond reserve hidden in deep Earth?
"Diamond formation in the deep earth, the very deep earth, may be a more common process than we thought," said study co-author Dimitri Sverjensky from Johns Hopkins University.
Diamonds can help identify cancers early
Led by Professor David Reilly from the School of Physics, researchers investigated how nanoscale diamonds could help identify cancers in their earliest stages.
Oct 11, 2015, 16:54 PM ISTDiamonds can help spot cancers at early stage
Sydney; Researchers have found a way to use diamonds to act as beacons in magnetic resonance imaging (MRI) scans and identify cancerous tumours before they become life-threatening.
Oct 10, 2015, 13:51 PM ISTDiamond cuts: India's global hub fears more job losses as China slows
This year, there`s no sign of a repeat bonanza in a city that by some estimates polishes about 80 percent of the world`s diamonds.
Sep 08, 2015, 08:12 AM ISTIs Telangana sitting on a bed of diamonds?
Drought-hit Mahbubnagar district of Telangana could appear as another Golconda which occupies a unique position in the world of diamonds.
Aug 10, 2015, 12:58 PM ISTTraders to continue importing rough diamonds
Even as the market is going through tough times, diamond exporters today decided to continue with imports of rough diamonds so that there are no lay offs.
Jul 08, 2015, 00:55 AM ISTRussia to supply diamonds worth $2.1 billion to India
Russia is the world's largest producer of diamond, while India is the world's biggest manufacturing centre for cut and polished diamonds.
Dec 11, 2014, 16:21 PM ISTDe Beers warns diamonds aren't forever
A dearth of major new diamond finds means that production might not keep up with ever-increasing demand from the United States, China and India.
Sep 17, 2014, 17:11 PM IST