Polished diamond news

  • 6.95-ct Pink Diamond Leads Vanderbilt Sale
    on 5 October 2025 at 8:00 am

    Jewels belonging to the Vanderbilts - once the richest family in the US - are to be auctioned by Phillips Geneva next month. Highlights of The Geneva Jewels Auction: V include an old-cut Golconda 6.95-carat fancy vivid purplish pink diamond (estimate not...

  • Steady Growth in US Watch and Jewelry Sales
    on 5 October 2025 at 6:01 am

    Watch and jewelry sales in the US are growing slowly, according to the latest figures form the US Department of Commerce. It reports a 4.1 per cent increase in August, following on from a 3.8 per cent increase in July (revised up from the more modest +1.0 per cent...

  • IDEX Polished Price Index Keeps Sliding in September
    on 5 October 2025 at 6:00 am

    The IDEX Polished Price Index was down 2.08 per cent in September, after a brief spike ahead of the US doubling of Indian tariffs. It follows a dip of 0.99 per cent in August, another month with a tariff-related spike (the introduction of reciprocal tariffs...

  • Lab Grown Demand could Triple by 2032
    on 1 October 2025 at 4:00 am

    Demand for lab growns - both gem quality and industrial - could reach $100bn by 2032, says the Dubai Multi Commodities Centre (DMCC). That would be more than three times current demand, estimated at around $30bn annually. Around 80 per cent of...

  • IDEX Price Report for 1 October: More Losses, Rounds Fare Better
    on 1 October 2025 at 4:00 am

    Another month of widespread losses, offset by some gains, mostly in rounds. There were, yet again, considerably more decreases than increases among rounds. Relatively little activity among bread-and-butter goods (0.50-cts to 1.99-cts) but significant price drops...

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