Precious stones ranked by hammer price at public auction in millions of USD. Blue and pink diamonds consistently command the world's highest prices per carat at auction, driven by extraordinary scarcity — gem-quality blue diamonds represent...
About: Most Expensive Diamonds and Gemstones Sold at Auction (All Time)
Overview of the data behind this chart
Precious stones ranked by hammer price at public auction in millions of USD. Blue and pink diamonds consistently command the world's highest prices per carat at auction, driven by extraordinary scarcity — gem-quality blue diamonds represent less than 0.001% of all mined diamonds, making each major specimen a genuinely unique object that major auction houses treat as a once-in-a-generation event.
Key Findings
Auto-computed highlights from this dataset
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Williamson Pink Star Diamond leads with 50 in 2022.
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Average value in 2022: 50 · median: 50.
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2017 recorded the highest combined total across all categories.
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Most Expensive Diamonds and Gemstones Sold at Auction (All Time)
Data Insights
Numbers, trends & sources behind this chart⬡
Data Points
8
8 categories
·
8 years
↑
Top Value
71
CTF Pink Star Diamond
Auction Price (Million USD) · 2017
◈
Metrics
1
Auction Price (Million USD)
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Period
2008 – 2022
8 years of data
Statistical Summary — 2022
50
Maximum
50
Minimum
50
Average
50
Median
What This Data Shows
Auto-generated trend summaries per category
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Full Data Table
8 records across 8 yearsData Sources & References
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