Stone set to be auctioned at December ruby auction in Singapore.
Structural overhaul follows recent closure of New York office.
Anna Martin to "broaden and deepen GIA's relationships with clients".
Changes create greater purchasing flexibility for non-Sightholders.
Angolan government plans to increase production by 20% to 10m carats.
Rough ruby and corundum gems sold in Singapore for US$18 per carat.
Mobile Buyer Guide app offers visitors an interactive exhibitor guide.
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Company to attend Scotland’s Trade Fair after relaunching in May.
Start-up raised £200,000 via crowdfunding to launch diamond business.
Sleek and contemporary store opening toasted with party on December 3.
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9ct gold hallmarking rises 23% in December figures
Gold up 20.5% and silver up 7.1% in December 2014 compared to 2013.
Fairtrade boosts 'I Do' campaign with golden stunt
Performers created 'human ring' outside St Paul's cathedral yesterday.
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