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IDEXresearch

date: 03/11/25

The IDEX Polished Price Index dipped during October, down 0.48 per cent compared with a loss of 2.08 per cent in September. There was little day-to-day movement, aside from a brief drop around the 2nd of the month and a short-lived increase around ...

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Vanderbilt Sapphire Brooch Sells for $3.6m

date: 11/11/25

The 42.68 carat Vanderbilt Sapphire, a treasure from the shipping and railroad Vanbderbilt dynasty, sold for $3.6m, more than twice its $1.5m high estimate, at Phillips Geneva. The sugarloaf Kashmir, unheated, royal blue sapphire was set in a 20th century...

IDEXmemo

date: 06/11/25

That was the question Eddy Elzas asked back in the 1970s. And that's why he, more than anyone, has been credited with "inventing" the modern-day colored diamond market. At the time nobody in the industry saw the potential of colored diamonds like Elzas...

Louvre to Restore Crown Damaged in Raid

date: 11/11/25

The imperial crown of France's Empress Eugenie - dropped by thieves fleeing the Louvre heist last month - will be restored, says the museum's director. Laurence des Cars said the crown, with more than 1,300 diamonds, 56 emeralds and eight golden ...

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IDEXresearch

date: 03/11/25

NEWS & RESEARCH

Vanderbilt Sapphire Brooch Sells for $3.6m

date: 11/11/25

IDEXmemo

date: 06/11/25

Louvre to Restore Crown Damaged in Raid

date: 11/11/25

Boxxstars