* Astronomy

Ms Melissa Lacey of Knoxville, Tennessee has found a 1.30-carat diamond while gem hunting in Arkansas' Crater of Diamonds State Park. "I wasn't expecting to find anything and was just picking up pretty rocks" . At first, she thought the light yellow diamond was "a piece of dirty qua...

Researchers at the Carnegie Institution's Geophysical Laboratory have learned to produce 10-carat, 12-mm thick single-crystal diamonds at rapid growth rates (100 micrometers per hour) using a chemical vapour deposition (CVD) process. This size is approximately five times that of c...

Diamonds are forever the shine is beautiful, but what about the style, and what if you don t have such a deep pocket? Still you want to experience the look and have the sheer glamour. In the twentieth century diamonds are pass . Amongst the other available alternatives moissanite rings make the best ch...

For the first time ever, the Bangkok International Gems & Jewellery Fair will be open to members of the public for all five days of the show from Wednesday, July 4 to Sunday, July 8 at the Queen Sirikit National Convention Centre. The shows special Cash & Carry format will allow members of the p...

If indeed "a diamond is forever," the most primitive origins of Earth's so-called black diamonds were in deep, universal time, geologists have discovered. Black diamonds came from none other than interstellar space. In a paper published online on December 20, 2006, in the journal Astrophysic...

Superconductivity in Super Hard Diamond T A Study calculates that boron-doped diamond (BC5) should be superconducting on up to temperatures of 45 K, which, if borne out in experiments, would make this class of material with the highest with the highest transition temperature into a superconduct...

Discovery of big diamond mine sparkles in Liaoning A large diamond deposit that can be mined for more than 30 years has been discovered in Liaoning province, officials from the local geology and mineral resources exploration bureau said on Wednesday. The deposit, in Wafangdian, Northeast China'...

World's Biggest Round Blue Diamond May Fetch $19 Million The world's biggest round "fancy vivid" blue diamond is estimated to sell for more than $19 million at an auction in Hong Kong in October. The brilliant-cut internally flawless stone, weighing 7.59 carats, will be auctioned by So...

One of the world's largest yellow diamonds will go under the hammer in Geneva next month, with the Sotheby's auction house hoping to rake in up to USD 25 million for the gem. The Graff Vivid Yellow, the colour of a daffodil and weighing 100.09 carats, figures among a wide range of pieces for sale at Sothe...

	Forum	Replies	Views	Last Post
diamond Crater of Diamonds ( 1 2 ) (Preview)	General news	13	7573	Jun 12 20:01 2010 by Blobrana
Ms Melissa Lacey of Knoxville, Tennessee has found a 1.30-carat diamond while gem hunting in Arkansas' Crater of Diamonds State Park. "I wasn't expecting to find anything and was just picking up pretty rocks" . At first, she thought the light yellow diamond was "a piece of dirty qua...
Diamond Carbon The Diamond Age ( 1 2 3 4 ) (Preview)	Physics News	35	30703	Feb 23 17:02 2017 by Blobrana
Researchers at the Carnegie Institution's Geophysical Laboratory have learned to produce 10-carat, 12-mm thick single-crystal diamonds at rapid growth rates (100 micrometers per hour) using a chemical vapour deposition (CVD) process. This size is approximately five times that of c...
Diamond Moissanite (Preview)	Meteorite News	2	3628	Apr 17 00:31 2013 by Blobrana
Diamonds are forever the shine is beautiful, but what about the style, and what if you don t have such a deep pocket? Still you want to experience the look and have the sheer glamour. In the twentieth century diamonds are pass . Amongst the other available alternatives moissanite rings make the best ch...
Diamond Jewellery Gems & Jewellery ( 1 2 3 4 5 … 9 ) (Preview)	Trash	86	61406	Jun 11 14:48 2017 by Blobrana
For the first time ever, the Bangkok International Gems & Jewellery Fair will be open to members of the public for all five days of the show from Wednesday, July 4 to Sunday, July 8 at the Queen Sirikit National Convention Centre. The shows special Cash & Carry format will allow members of the p...
Diamond Carbonado diamonds (Preview)	Meteorite News	7	10669	Oct 12 20:09 2012 by Blobrana
If indeed "a diamond is forever," the most primitive origins of Earth's so-called black diamonds were in deep, universal time, geologists have discovered. Black diamonds came from none other than interstellar space. In a paper published online on December 20, 2006, in the journal Astrophysic...
Diamond Boron-doped diamond (Preview)	Physics News	0	1896	Jun 4 20:06 2008 by Blobrana
Superconductivity in Super Hard Diamond T A Study calculates that boron-doped diamond (BC5) should be superconducting on up to temperatures of 45 K, which, if borne out in experiments, would make this class of material with the highest with the highest transition temperature into a superconduct...
Diamond Wafangdian diamond deposit (Preview)	Off Topic	0	1456	Jan 13 08:09 2012 by Blobrana
Discovery of big diamond mine sparkles in Liaoning A large diamond deposit that can be mined for more than 30 years has been discovered in Liaoning province, officials from the local geology and mineral resources exploration bureau said on Wednesday. The deposit, in Wafangdian, Northeast China'...
Diamond Fancy vivid blue diamond (Preview)	Trash	0	1777	Aug 28 23:09 2013 by Blobrana
World's Biggest Round Blue Diamond May Fetch $19 Million The world's biggest round "fancy vivid" blue diamond is estimated to sell for more than $19 million at an auction in Hong Kong in October. The brilliant-cut internally flawless stone, weighing 7.59 carats, will be auctioned by So...
Diamond Graff Vivid Yellow (Preview)	The Bazaar	0	2533	Apr 24 13:03 2014 by Blobrana
One of the world's largest yellow diamonds will go under the hammer in Geneva next month, with the Sotheby's auction house hoping to rake in up to USD 25 million for the gem. The Graff Vivid Yellow, the colour of a daffodil and weighing 100.09 carats, figures among a wide range of pieces for sale at Sothe...