De Beers has released figures that should reframe how the trade thinks about natural diamonds in the post-lab-grown era. The average consumer spend on a mined stone reached $4,063 in 2025, up a striking 25% from $3,249 in 2023. Pair that with a concurrent uptick in average carat size, and a clear narrative emerges: the buyer who still chooses natural is not just loyal — they're increasingly committed.
The Natural Diamond Buyer Is Spending More — and Thinking Bigger
De Beers data shows the average purchase price for a natural diamond climbed 25% in two years, reaching $4,063 in 2025 — a signal that the lab-grown shakeout may be quietly redrawing the market.
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