Cut and polished diamond
1322010001 · Item · weight 0.5038
Latest index
73.20
Jul 2026 · Provisional
Change over 12 months
−13.88%
Since Jul 2025
Data available
Jan 2005 – Jul 2026
Combined index, 2022-23 = 100
Combined index since Jan 2005
The 2022-23 series joined to its 2011-12 and 2004-05 counterparts and put on the 2022-23 scale, so the whole history reads as one line. It is the index the calculator uses.Published monthly index (2022-23 series)
| Financial year | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026–27 | 74.40 | 76.40 | 76.70P | 73.20P | — | — | — | — | — | — | — | — |
| 2025–26 | 88.40 | 87.60 | 86.00 | 85.00 | 81.30 | 82.10 | 79.00 | 83.10 | 79.30 | 78.00 | 79.60 | 78.40 |
| 2024–25 | 96.20 | 96.00 | 91.90 | 85.40 | 83.00 | 84.60 | 82.50 | 86.70 | 83.00 | 84.80 | 91.20 | 87.90 |
| 2023–24 | 90.50 | 95.50 | 89.10 | 92.20 | 86.30 | 88.70 | 91.70 | 94.60 | 89.90 | 89.50 | 90.50 | 95.20 |
P Provisional — the two most recently published months may still be revised. Values before April 2023 come from the older series; see the chart, or calculate with “Show index values” on.