1-800 Loose Diamonds, Jewelry Education »

[24 Apr 2014 | No Comment | ]

He worked with the industry to establish the increments, selecting the master stones and setting the color scale. That scale was used primarily for gemology students learning how to grading diamonds until the early 1960s.

1-800 Loose Diamonds, Jewelry Education »

[22 Apr 2014 | No Comment | ]

Managed by investor Mark Mobius, the Templeton Russia and East European Fund became shareholders of ALROSA in the fourth quarter of 2013; the company’s acquired 1,995,400 ordinary shares. Interfax reported that these shares make up .03% of ALROSA’s stock and were valued at $2.2 million.

1-800 Loose Diamonds, Jewelry Education »

[21 Apr 2014 | No Comment | ]

This phenomenon is partially due to the ship of production from the mine main pipeline higher grade, higher value satellite pipe. Diamonds from the Letseng mine increased 49 percent year-to-year from $2533 per carat in the fourth quarter, to $2673 per carat at its first tender in 2014. Likewise, Petra Diamonds explained that the rough diamond market firmed up toward the end of 2013 and the company did well at its February 2014 diamond tender

1-800 Loose Diamonds, Jewelry Education »

[11 Apr 2014 | No Comment | ]

The Gemological Institute of America (GIA) has been working with the World Federation of Diamond Bourses (WFDB) along with the Chinese diamond industry to locate and identify bourses that will receive its coveted Diamondcheck technology, a synthetic diamond detector recently introduced by the Gemological Institute of America (GIA).

1-800 Loose Diamonds, Jewelry Education »

[3 Apr 2014 | No Comment | ]

The Aikhal Mining and Processing Division also contributed significantly with its production of 12.08 million carats of diamonds with its production, a 3 million carats increase in production from the previous year. Some of this success is attributed to a diamond rich level of ore at Jubilee pipe. These two pipes represent 33 percent of ALROSA’s overall production volume. Aikhal’s underground mine reached its project capacity of 3 million carats, which is a 22 percent increase from the prior year.