Price Trends in United States
Track which diamond categories are rising or falling in price across the market. Pricing shown in USD.
Last updated 29 October 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 |
|---|---|---|---|---|
| Lab-Grown Oval 10.00+ D-E SI1 | 131 | $333/ct | +45.2% | +59.8% |
| Lab-Grown Oval 2.00-2.49 H-I VS2 | 760 | $450/ct | +26.4% | +2.0% |
| Lab-Grown Oval 2.00-2.49 H-I VS1 | 1,915 | $448/ct | +26.4% | +2.0% |
| Lab-Grown Emerald 4.00-4.99 D-E SI1 | 428 | $408/ct | +24.8% | +1.7% |
| Lab-Grown Oval 1.25-1.49 F-G SI1 | 127 | $410/ct | +24.4% | -0.6% |
| Lab-Grown Round 0.20-0.29 D-E VVS2 | 32,258 | $399/ct | +23.8% | -6.5% |
| Lab-Grown Round 0.20-0.29 D-E VVS1 | 23,672 | $400/ct | +23.8% | -6.5% |
| Lab-Grown Marquise 1.50-1.99 D-E SI1 | 543 | $418/ct | +23.6% | +8.3% |
| Lab-Grown Radiant 4.00-4.99 D-E SI1 | 343 | $400/ct | +22.6% | +8.2% |
| Lab-Grown Radiant 1.25-1.49 D-E SI1 | 250 | $386/ct | +22.4% | +1.2% |
| Lab-Grown Oval 1.25-1.49 D-E SI1 | 348 | $428/ct | +21.7% | +3.3% |
| Lab-Grown Round 0.75-0.99 H-I VVS2 | 332 | $471/ct | +21.4% | -3.8% |
| Lab-Grown Radiant 3.00-3.99 D-E SI1 | 751 | $421/ct | +20.6% | +1.3% |
| Lab-Grown Oval 2.50-2.99 H-I VS2 | 869 | $424/ct | +20.0% | -1.4% |
| Lab-Grown Oval 2.50-2.99 H-I VS1 | 1,402 | $481/ct | +20.0% | -1.4% |
Falling This Week
| Category | Listings | Avg. Price | 7-Day Change | Supply Change |
|---|---|---|---|---|
| Lab-Grown Heart 2.50-2.99 F-G SI1 | 144 | $591/ct | -27.4% | +17.1% |
| Lab-Grown Marquise 10.00+ H-I VVS2 | 133 | $310/ct | -25.3% | +47.8% |
| Lab-Grown Marquise 2.00-2.49 D-E SI1 | 846 | $425/ct | -24.9% | +24.0% |
| Lab-Grown Round 4.00-4.99 J-K VS1 | 109 | $323/ct | -23.8% | +11.4% |
| Lab-Grown Heart 5.00-9.99 H-I VVS2 | 150 | $361/ct | -21.9% | +26.8% |
| Lab-Grown Marquise 2.00-2.49 H-I VVS2 | 490 | $449/ct | -18.7% | +14.7% |
| Lab-Grown Asscher 3.00-3.99 F-G VVS1 | 686 | $774/ct | -16.6% | +21.4% |
| Lab-Grown Asscher 3.00-3.99 F-G VVS2 | 6,161 | $426/ct | -16.6% | +21.4% |
| Natural Princess 2.00-2.49 D-E I | 170 | $4,852/ct | -15.7% | +5.7% |
| Lab-Grown Asscher 1.00-1.24 F-G IF | 138 | $585/ct | -15.2% | +20.7% |
| Lab-Grown Asscher 0.50-0.74 D-E IF | 507 | $677/ct | -14.9% | +35.5% |
| Lab-Grown Asscher 0.50-0.74 D-E FL | 475 | $890/ct | -14.9% | +35.5% |
| Lab-Grown Marquise 2.00-2.49 F-G VVS1 | 6,161 | $487/ct | -14.9% | +29.9% |
| Lab-Grown Marquise 2.00-2.49 F-G VVS2 | 34,730 | $476/ct | -14.9% | +29.9% |
| Lab-Grown Round 0.30-0.49 H-I IF | 126 | $1,001/ct | -14.5% | +8.5% |
Compare prices across 100+ retailers worldwide. Find the best deal on your perfect diamond.