Price Trends in United States
Track which diamond categories are rising or falling in price across the market. Pricing shown in USD.
Last updated 14 September 2026 · Weekly movers across more than one hundred retailers
Showing categories with 100+ active listings. Prices are median per carat. Click any category to browse those diamonds in the Explorer.
This Week's Movers
Top rising and falling categories by 7-day median price change. Click any row to browse in the Explorer.
Market Quadrants
Each dot is a category. Size reflects active listings. The four quadrants tell you where the market is hot, cooling, accumulating, or getting liquidated.
Demand rallyQuiet accumulationCooling offLiquidation
1 extreme-movement categories sit outside the axis range and aren't plotted.
Rising This Week
| Category | Listings | Avg. Price | 7-Day Change | Supply Change |
|---|---|---|---|---|
| Natural Radiant 0.30-0.49 N+ I | 241 | $3,846/ct | +41.0% | +1.9% |
| Natural Round 0.50-0.74 N+ I | 790 | $937/ct | +14.7% | +631.5% |
| Natural Round 0.30-0.49 L-M I | 640 | $897/ct | +10.9% | -1.7% |
| Lab-Grown Round 0.75-0.99 J-K I | 211 | $1,891/ct | +9.3% | -36.5% |
| Natural Pear 0.20-0.29 N+ I | 334 | $13,876/ct | +8.9% | -44.4% |
Falling This Week
| Category | Listings | Avg. Price | 7-Day Change | Supply Change |
|---|---|---|---|---|
| Natural Round 4.00-4.99 F-G I | 153 | $6,385/ct | -43.8% | -15.0% |
| Natural Pear 0.30-0.49 N+ I | 679 | $2,566/ct | -40.5% | -8.3% |
| Natural Oval 0.30-0.49 N+ I | 906 | $1,080/ct | -38.9% | +34.4% |
| Natural Marquise 1.50-1.99 D-E I | 186 | $5,987/ct | -38.6% | -54.6% |
| Natural Round 5.00-9.99 H-I I | 112 | $4,978/ct | -37.4% | -51.9% |
| Natural Cushion 0.30-0.49 N+ I | 358 | $7,983/ct | -37.4% | -28.9% |
| Natural Round 4.00-4.99 H-I I | 128 | $8,167/ct | -35.0% | -52.4% |
| Natural Heart 1.50-1.99 D-E I | 102 | $3,663/ct | -33.3% | -68.7% |
| Natural Marquise 1.50-1.99 H-I I | 350 | $4,765/ct | -33.1% | -49.4% |
| Natural Marquise 2.00-2.49 H-I I | 133 | $5,608/ct | -31.3% | -52.8% |
| Natural Marquise 1.50-1.99 F-G I | 211 | $5,841/ct | -29.1% | -55.9% |
| Natural Cushion 2.00-2.49 J-K I | 168 | $3,409/ct | -28.8% | -39.6% |
| Natural Round 2.50-2.99 D-E I | 317 | $9,177/ct | -27.0% | -34.4% |
| Natural Princess 2.00-2.49 D-E I | 113 | $5,027/ct | -26.8% | -19.3% |
| Natural Heart 1.50-1.99 F-G I | 229 | $3,394/ct | -23.9% | -56.0% |
Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.