diamonds
Quest for World's Biggest Diamonds Gives De Beers a Headache
De Beers prospects blemished after Botswana cuts new diamond deal
The Fifth C: What Determines Diamond Cost? - International Gem Society
De Beers Diamond Sales Jump After a Terrible Year for Gems - Bloomberg
It's Real: Acceptance of Lab-Grown Diamonds Is Expanding Exponentially
De Beers goes into second-hand diamond market
De Beers' Diamond Sales Give a Jolt to Anglo American - WSJ
State of the Colored Stone Market: Dropping Some Valuable Gems
Diamond Prices Set To Sparkle
De Beers Diamond Sales Jump After a Terrible Year for Gems - Bloomberg
A Brief History of Diamonds. Diamonds are the most beautiful…
Diamonds That Aren't Diamonds, Diamond Rings