Polished diamond news

  • Rio Tinto Sells Last of the Argyle Pinks to British Jeweler
    on 2 October 2026 at 10:00 am

    Rio Tinto has sold its remaining Argyle pink diamond inventory and transferred ownership of the Argyle Pink Diamonds brand to British jeweler Boodles. The deal, announced on October 1, comes almost six years after Rio Tinto shut the Argyle mine in ...

  • Fancy Intense Yellow Fetches $550,000, but Auction Highlight is Unsold
    on 2 October 2026 at 5:00 am

    A 23.34-carat fancy intense yellow VVS1 diamond ring sold for HKD4.3 million ($550,810) at Phillips' Hong Kong Jewels Auction, just shy of its high estimate. But what was billed as the highlight of the event, a Bulgari 9.86-carat Kashmir sapphire and diamond ...

  • IDEX Price Report for 1 October: Downward Pressure Persists
    on 1 October 2026 at 4:00 am

    September continued to show downward pressure on IDEX asking prices, with decreases substantially outnumbering increases in both rounds and fancies. Rounds showed the clearer weakness, with 247 price decreases against 96 increases. Fancies recorded ....

  • Smuggling Scandal: Jeweler Predicts Huge Loss amid Rush for Buybacks
    on 1 October 2026 at 3:00 am

    Vietnam's largest listed jewelry retailer is forecasting a $241 million loss for 2026, after a diamond-smuggling scandal triggered a huge rush of buybacks. PNJ (Phu Nhuan Jewelry), which has 430 stores across the country, now assumes that customers ...

  • De Beers Adapts Rare Cabochon Cut for Diamonds
    on 29 September 2026 at 3:00 am

    De Beers London has adapted the traditional cabochon - one of the rarest cuts for a diamond - to create stones with smooth, rounded profiles resembling water droplets. The stones produce a softer, more luminous appearance than conventional, faceted...

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