# United Kingdom CPI item — Diamond Solitaire Ring ()

United Kingdom CPI item — Diamond Solitaire Ring () was down 1.4% year on year in September 2026, compared with −0.8% in August 2026.
The level stood at 102.6 (index (Jan=100, annually chain-linked)).
Over the past available history it has ranged from −1.4% (Sep 2026) to 1.6% (Mar 2026), averaging 0.2%.

- Source agency: UK Office for National Statistics (CPI item / consumption-segment indices)
- Makrognosis code: `UK.CPI.M.NSA.ITEM-520135`
- Frequency: monthly
- Units: index (Jan=100, annually chain-linked)
- Coverage: 2025-02-01 to 2026-09-01 (20 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/cpi-item-diamond-solitaire-ring

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 102.6 | −1.4 |
| August 2026 | 103.8 | −0.8 |
| July 2026 | 99.38 | −0.2 |
| June 2026 | 100.8 | −0.6 |
| May 2026 | 103.2 | 1.0 |
| April 2026 | 102.5 | 0.6 |
| March 2026 | 105.2 | 1.6 |
| February 2026 | 105.0 | 1.1 |
| January 2026 | 95.13 | — |
| December 2025 | 106.3 | — |
| November 2025 | 106.2 | — |
| October 2025 | 102.3 | — |
| September 2025 | 104.1 | — |
| August 2025 | 104.6 | — |
| July 2025 | 99.55 | — |
| June 2025 | 101.4 | — |
| May 2025 | 102.2 | — |
| April 2025 | 101.8 | — |
| March 2025 | 103.6 | — |
| February 2025 | 103.9 | — |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.ITEM-520135"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.ITEM-520135",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```