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IDEXresearch

date: 05/01/26

The IDEX Polished Price Index kept sliding during December, although the fall was slightly less than the previous month. The Index was down 1.35 per cent, compared to -1.72 per cent in November. The December decline largely reflects continued soft demand...

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Average US Natural Diamond Engagement Ring Price Hits $7,346

date: 16/02/26

The average price for a natural diamond engagement ring in the US rose 9 per cent to $7,346 last year, according to the Natural Diamond Council (NDC). Its new report, Natural Diamond Trends: A 2025 Overview, says the average carat weight rose ...

IDEXmemo

date: 12/02/26

It's almost eight months since the Luanda Accord was agreed - and diamond producers pledged one per cent of their rough revenue to fund a global NDC campaign promoting natural stones. Multiple opportunities to tell and sell the story of natural diamonds have ...

Diamond Slowdown: Expansion at Gahcho Kue is "Paused"

date: 15/02/26

Mountain Province Diamonds (MPD) say it has "paused" plans for a key expansion that would have prolonged the life of its Gahcho Kue mine in Canada's Northwest Territories. MPD, together with De Beers, its joint venture partner, say "current market...

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