Gemological Institute of America
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May- 2016 -5 MayAuctions
Largest rough diamond discovered in 100 years could fetch £48m at auction
The largest rough diamond to be discovered in over a century could sell for more than $70m (£48m) at a Sotheby’s auction. The 1109-carat ‘Lesedi la Rona’ – the largest gem-quality rough diamond to be discovered in over a century and the largest rough diamond in existence today – will…
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Apr- 2016 -7 AprilAuctions
Record-breaking pink diamond could fetch £27m at auction
The largest fancy vivid pink pear-shaped diamond to ever be offered at auction is expected to go under the hammer for $28m to $38m (£19.9m to £27m). The 15.38-carat ‘Unique Pink’ diamond – unveiled in London today – received the highest possible colour grading for a pink diamond from the…
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Mar- 2016 -31 MarchCurrent Affairs
GIA predicts more synthetic diamonds to be introduced to the industry
Research published by the Gemological Institute of America (GIA) has predicted a “significant” rise in the number of high-pressure, high-temperature (HPHT) synthetic diamonds to enter the market. The announcement follows a visit in early March 2016, where researchers visited a diamond factory in China and obtained 50 crystals ranging from…
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Feb- 2016 -25 FebruaryTrade Organisations
Rapaport launches Investment Diamond Grading Report
The Rapaport Group has announced the launch of a new diamond grading report – the Rapaport Investment Diamond Report (IDR). The new report conservatively grades diamonds based on Gemological Institute of America (GIA) standards. It will also provide additional gemological information including tint, location and colour of inclusions as well…
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Oct- 2015 -29 OctoberCurrent Affairs
RapNet suspends members suspected of falsifying GIA reports
RapNet, the diamond trading network from Rapaport, has suspended 10 members pending further investigations surrounding alleged falsifications of Gemological Institute of America (GIA) reports. RapNet said the members have also been suspended by the GIA for allegedly participating in a scheme that hacked into the GIA’s computer system and upgraded…
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Sep- 2015 -21 SeptemberAuctions
Sotheby’s to auction rare 12ct ‘Blue Moon’ diamond
Auction house Sotheby’s Geneva is set to auction the rare ‘Blue Moon’ diamond with an estimated value of $35-55m (£22.6m-£35.4m). The diamond is the centrepiece of the ‘Magnificent Jewels’ auction and Noble Jewels in Geneva on November 11. It weighs 12.03 carats and has been graded ‘fancy vivid blue’, the…
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Jun- 2015 -17 JuneProduct Launches
Serendipity Diamonds launches CanadaMark diamond engagement rings
Serendipity Diamonds, a UK-based diamond and jewellery supplier, has added traceable, ethically-sourced CanadaMark diamond engagement rings as part of its offering. The company said it created its first 100% traceable diamond engagement ring commission earlier this month – using a combination of Fairtrade Gold and CanadaMark diamonds. CanadaMark diamonds are…
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May- 2015 -13 MayCurrent Affairs
WFDB express concern over undisclosed diamond treatment
The president of the World Federation of Diamond Bourses (WFDB), Ernie Blom, today expressed his concerns over the discovery by the GIA of a shipment of allegedly treated diamonds. Yesterday, the Gemological Institute of America (GIA) said that some 500 colourless to near-colourless diamonds have been submitted primarily to its…
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Mar- 2015 -4 MarchEvents
GIA and De Beers to discuss synthetics at Basel
Researchers from the Gemological Institute of America (GIA) and De Beers will discuss ‘concerns’ over synthetic diamonds at GIA GemFest at Baselworld, March 22. GIA said that technology for creating synthetic diamonds has “improved significantly” over the last decade and, as a result, gem-quality synthetic diamonds have appeared in greater…
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Nov- 2014 -3 NovemberCurrent Affairs
GIA suspends diamond sealing services after receiving mis-labelled packet
The Gemological Institute of America (GIA) has suspended diamond sealing services and the issuance of duplicate reports at all locations, with immediate effect. In a statement, GIA said: “The Institute is taking this action after receiving a sealed diamond for verification that did not match the data label in the…
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