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De Beers reports rising consumer spending and larger average sizes for natural diamonds in 2025, with natural stones leading luxury gifting choices.
- Average spending on natural diamonds in the US rose 25% to $4,063 in 2025, with the average stone size increasing to 1.86 carats from 1.65 carats in 2023.
- Acquisition rates for natural diamonds held steady at 9% overall, with affluent households (earning $150,000+) increasing purchases from 12% in 2023 to 15% in 2025.
- Lab-grown diamond prices declined, but sales of synthetic stones over 3 carats dropped, indicating limits to upselling larger synthetic sizes and potential pressure on retailer profits.
Rapaport Trade Insight:
Natural diamonds sustain premium demand and size growth, underscoring their enduring value and consumer preference over synthetics despite price shifts.
