Monthly Analysis

October 2025 Diamond Market Report

Data as of October 31, 2025

Diamond Market Snapshot

In October 2025, the CaratRadar Diamond Price Index stood at $4,225, reflecting the weighted average retail price across 5,671,780 certified diamonds tracked from leading diamond retailers worldwide. Natural diamonds averaged $6,575 compared to $2,704 for lab-grown equivalents, a ratio of 2.4x.

Shape-by-Shape Analysis

Month-over-month price changes by shape and diamond type.

Key Takeaways

  • Lab-grown diamonds continue to offer significant value compared to natural equivalents.
  • Round and oval cuts remain the most liquid market segments with the most comparable listings.
  • Price spreads between retailers vary significantly, so use CaratRadar to find the best price for the exact same certified stone.

About This Report

This report is generated automatically from CaratRadar's live diamond pricing database, which aggregates daily data from major diamond retailers. All prices are averages across active listings and may not reflect individual diamond prices. Data updated daily.

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