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A close-up image of a pile of rough diamonds.
Article
Ups and Downs of 2016 Make for an Uncertain 2017

The diamond industry was slow to recover in 2016 and colored gems got a welcome shot in the arm. Mixed signals leave no clear indicators for 2017.

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Article
Is Another 1,000 (or 3,000) Carat Diamond Around the Corner?

Find out why the number of very large diamonds entering the market has increased sharply in the last few years.

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The Wittelsbach Blue

This article describes what is known about the Wittelsbach Blue since it was first reported in 1666, and the gemological information released to date on this diamond.

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The 14.62 ct. emerald cut Fancy Vivid Blue Oppenheimer diamond is flanked by diamonds in a ring setting.
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Spring 2016 Auction Update: Big Checks – Mega Diamonds

Big diamonds – really big ones – dominated the news in May, setting sales records for colorless and colored beauties.

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Article
De Beers Reduces Rough Prices – Too Little?

De Beers reduces rough prices at May sight, undisclosed treated diamonds submitted to GIA and Sotheby’s, Christie’s sales break auction records − again.

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Over the Top at BaselWorld
Article
Over the Top at BaselWorld 2015

An insider’s tour through the Basel show

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8.41 ct pear-shaped Fancy Vivid purple-pink diamond
Record Prices at Gem Auctions

Auction price records were broken in late 2014 as ultra-wealthy buyers vied for rare, important gemstones.

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Article
A 118.28 ct Diamond Achieves Record Price

On Oct. 7 in Hong Kong, a 118.28 ct D-Flawless sold for more than $30 million, becoming the most expensive colorless diamond ever sold at auction.

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