Largest Polished Diamonds in the World
Source:
Cape Town Diamond Museum
Key Findings
🏆
Golden Jubilee leads in Polished Weight (carats) with 545.67.
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Average Polished Weight (carats): 367 · median: 315.
↔️
Gap: Golden Jubilee is 2.2× larger than Jubilee.
About This Dataset
Largest Polished Diamonds in the World
The largest finished (cut and polished) diamonds ever produced, by carat weight. The Golden Jubilee, cut from a South African rough stone found in 1985, is the biggest faceted diamond in the world at 545.67 carats, narrowly ahead of the Cullinan I in the British Crown Jewels.
Analysis
The top three in Polished Weight (carats) are Golden Jubilee (545.7), Cullinan I (Great Star of Africa) (530.2) and Incomparable (407.5). The 8 entries in Polished Weight (carats) cover a range of 300.3, from 545.7 down to 245.4. First and second are separated by 15.5, so the leader sits inside the field rather than apart from it. The other 6 are bunched between 245.4 and 407.5 Polished Weight (carats).
Data Insights
Numbers, trends & sources behind this chart
Methodology & source
- Data source
- Cape Town Diamond Museum
- Coverage
- 8 entities · 8 observations
- Measure
- Polished Weight (carats)
- Last updated
- 6 September 2026
- Compiled by
- The ANYSTAT team, from the source above
How the figures are calculated
- Values are shown as reported by the source. Nothing is rescaled, rebased or converted — the only changes are thousand separators and decimals shown to two places.
- Entities are ranked highest-first on their value.
Data Sources & References
All external sources cited in this dataset
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