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Russian company produces 5ct synthetic diamond

Russian company produces 5ct synthetic diamond

New Diamond Technology claims to have produced largest man-made gem.

1

Rio Tinto marks Participation Agreement milestone

Rio Tinto marks Participation Agreement milestone

Argyle Diamond Mine has worked with indigenous people for 10 years.

Price per carat rises 11% in Gemfields auction

Price per carat rises 11% in Gemfields auction

Sales at latest auction of rough emerald hit £22m at £42 per carat.

Focus on coloured diamonds for new research body

Focus on coloured diamonds for new research body

The Fancy Color Research Foundation launches with Index pricing tool.

DDI to assist Kimberley Process with Signet grant

DDI to assist Kimberley Process with Signet grant

DDI to coordinate technical assistance function of Kimberley Process.

WFDB addresses objectives for global diamond trade

WFDB addresses objectives for global diamond trade

Priorities include profitability, shipping and disciplinary measures.

Rare red and pink diamonds shine for Rio Tinto

Rare red and pink diamonds shine for Rio Tinto

Exceptional tender results achieved as prices triple in 14 years.

Petra secures 55% revenue boost in Q1 FY 2015

Petra secures 55% revenue boost in Q1 FY 2015

Company sees 2% growth in production between July and September 2014.

Gem Diamonds 198ct white diamond sells for GBP6.5m

Gem Diamonds 198ct white diamond sells for GBP6.5m

Letšeng stone said to represent "robust demand" for valuable diamonds.

GIA launches lower-cost fee structure for QA tests

GIA launches lower-cost fee structure for QA tests

Institute reduces per-stone fee for synthetic and natural testing.

De Beers launches melee synthetic screening device

De Beers launches melee synthetic screening device

New automated system can run through 500 carats of stones at once.

Petra scores 75% net profit boost in annual report

Petra scores 75% net profit boost in annual report

Preliminary stats shows 20% rise in revenue and 17% production boost.

Tanzanite Foundation announces restructure

Tanzanite Foundation announces restructure

Structural overhaul follows recent closure of New York office.

De Beers launches pre-owned diamond valuations

De Beers launches pre-owned diamond valuations

Company to provide diamond valuations for consumers trading stones.

De Beers Group confirms new registration period

De Beers Group confirms new registration period

Registration for 2015 to 2018 Sightholder period to open on August 25.

GIA hires new senior VP of global development

GIA hires new senior VP of global development

Anna Martin to "broaden and deepen GIA's relationships with clients".



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EDITOR'S CHOICE »
FEATURE: Eden Rachminov on fancy colour diamonds
Feature FEATURE: Eden Rachminov on fancy colour diamonds

Go behind the scenes of the Fancy Color Research Foundation.

44% of social media users on hunt for offers
News 44% of social media users on hunt for offers

Discounts and rewards top priority for those following brands online.

Professional Jeweller hires new assistant editor
Press Release Professional Jeweller hires new assistant editor

Team PJ welcomes journalist and former Swag employee Stacey Hailes.

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