IDEX Online - Polished Market Polished Market
- Historic Cartier Tiara Sells for $1.1m, Smashes Estimateon 9 June 2025 at 9:00 am
A rare Cartier turquoise and diamond tiara that belonged to Nancy, Viscountess Astor, Britain's first woman member of parliament, sold for $1.1m (£889,400), two-and-a-half times its $434,000 (£350,000) high estimate, at Bonhams London. It features old brilliant...
- Two Tiers: GIA to Grade Lab Growns as either Premium or Standardon 4 June 2025 at 1:00 pm
GIA says it will start grading lab grown diamonds simply as "premium" or "standard", in a move that clearly sets them apart from natural stones. It will no longer score them for color or clarity because, it says, the vast majority of lab growns fall into...
- IDEX Polished Price Index Dips in Mayon 4 June 2025 at 9:00 am
The IDEX Polished Price Index dipped during May, closing the month down 1.37 per cent. Trump's announcement of reciprocal tariffs on 2 April prompted a brief, two-day surge in prices the previous month, resulting in a slight increase of 0.58 per cent. ...
- IDEX Price Report for 1 June: Rounds Mixed, Fancies Downon 1 June 2025 at 5:00 am
May was another month of mixed fortunes, with market uncertainty and caution persisting. Among 3.00-cts to 5.99-cts rounds there was plenty of price movement, in both directions. Fancies saw losses outweigh gains. There was very little activity in either direction ...
- US Tariff Turmoil: On, Off, On Againon 30 May 2025 at 1:00 pm
Reciprocal tariffs were in turmoil today (30 May) after one US court blocked them on Wednesday (28 May) and another temporarily reinstated them the next day (29 May). The diamond industry has been in a state of near-paralysis since Donald Trump ...