A fancy vivid 10-carat cushion-modified blue diamond – known as the Mediterranean Blue – will appear at Sotheby’s in Geneva on 13 May. As one of the largest ...

Since late 2007, rubies and sapphires have been mined by hand methods from both eluvial and primary deposits at Winza in central Tanzania. The gem corundum is related to “dikes” of amphibolitic rocks ...

This year’s trade show will be held at the Gold Coast Convention and Exhibition Centre from 6 to 7 April and is expected to build on the strong momentum generated at the previous show. After shifting ...

It’s an attractive alternative not only for topaz, but also for yellow sapphire. The finest citrine color is a saturated yellow to reddish orange free of brownish tints. Since natural citrine is rare, ...

If you have the Chase Freedom Unlimited but are desperate for the Sapphire Preferred and fall under this rule, you could talk to a Chase agent to see if you're eligible to upgrade. Keep in mind you'll ...