Stone set to be auctioned at December ruby auction in Singapore.
Revenue soars to £142m but production falls 2% in H1 FY2015.
Free seminars, museum exhibit and diamond grading classes on offer.
Argyle Diamond Mine has worked with indigenous people for 10 years.
The Fancy Color Research Foundation launches with Index pricing tool.
Priorities include profitability, shipping and disciplinary measures.
Company sees 2% growth in production between July and September 2014.
Most Popular »
JOIN THE PROFESSIONAL JEWELLER COMMUNITY
EDITOR'S CHOICE »
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.
Recently Commented »
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.
ALSO IN ProfessionalJeweller.com »
Collection gets SS15 update with new charms and imagery.Read more
Future High Street Summit urges managers to think outside the box.Read more
Amazon's Julian Exposito-Bader exposes the split in design trends.Read more
Rose gold capsule range created for easy Valentine's Day purchases.Read more
'Wherever life takes you...' adverts to launch in UK on November 24.Read more