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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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Okavango Aims for Stability with More Contract Sales

date: 17/02/26

Botswana's state-owned Okavango Diamond Company (ODC) is moving away from auctions and tenders and now aims to sell half its rough allocation through contract sales. They offer more predictable revenues, especially when global demand is so weak...

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 ...

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 ...

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