Price Trends in United States
Track which diamond categories are rising or falling in price across the market. Pricing shown in USD.
Last updated 30 July 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 | 164 | $4,435/ct | +41.0% | +1.9% |
| Natural Round 2.00-2.49 N+ I | 313 | $2,436/ct | +13.3% | +367.2% |
| Natural Princess 2.00-2.49 J-K I | 106 | $2,925/ct | +12.6% | -2.8% |
| Lab-Grown Round 0.50-0.74 N+ I | 287 | $638/ct | +11.2% | +282.7% |
| Natural Pear 1.00-1.24 L-M I | 109 | $1,490/ct | +10.9% | -23.8% |
| Natural Pear 0.20-0.29 N+ I | 249 | $15,233/ct | +8.9% | -44.4% |
| Natural Cushion 1.50-1.99 F-G I | 114 | $3,879/ct | +8.8% | -0.9% |
| Natural Marquise 1.00-1.24 J-K I | 129 | $1,841/ct | +7.2% | -9.2% |
| Lab-Grown Round 0.30-0.49 F-G I | 1,157 | $939/ct | +7.0% | -14.0% |
| Natural Round 0.50-0.74 N+ I | 614 | $915/ct | +6.2% | +764.8% |
| Natural Round 1.00-1.24 N+ I | 888 | $1,406/ct | +5.6% | +419.3% |
| Lab-Grown Round 0.30-0.49 H-I I | 999 | $840/ct | +5.4% | -10.9% |
| Natural Pear 1.50-1.99 F-G I | 486 | $3,238/ct | +5.2% | +7.0% |
| Natural Pear 0.75-0.99 H-I I | 225 | $2,025/ct | +5.1% | -0.4% |
| Natural Heart 0.50-0.74 F-G I | 125 | $1,407/ct | +4.3% | -2.3% |
Falling This Week
| Category | Listings | Avg. Price | 7-Day Change | Supply Change |
|---|---|---|---|---|
| Lab-Grown Round 1.00-1.24 N+ I | 113 | $609/ct | -49.4% | +92.9% |
| Natural Pear 0.30-0.49 N+ I | 447 | $1,930/ct | -40.5% | -8.3% |
| Natural Oval 0.30-0.49 N+ I | 679 | $1,066/ct | -38.9% | +34.4% |
| Natural Cushion 0.30-0.49 N+ I | 323 | $7,679/ct | -37.4% | -28.9% |
| Natural Round 0.30-0.49 N+ I | 1,274 | $557/ct | -22.6% | +2350.0% |
| Natural Cushion 0.20-0.29 N+ I | 214 | $18,041/ct | -17.8% | -37.5% |
| Lab-Grown Round 0.75-0.99 N+ I | 175 | $588/ct | -14.1% | +220.8% |
| Natural Marquise 1.50-1.99 D-E I | 101 | $5,728/ct | -11.3% | -15.8% |
| Natural Heart 1.50-1.99 F-G I | 135 | $3,079/ct | -10.9% | -22.0% |
| Natural Oval 2.00-2.49 F-G I | 315 | $4,065/ct | -8.9% | +10.9% |
| Natural Pear 2.00-2.49 F-G I | 222 | $3,406/ct | -8.4% | +7.8% |
| Natural Heart 1.50-1.99 H-I I | 145 | $2,721/ct | -8.4% | -33.5% |
| Natural Round 3.00-3.99 H-I I | 503 | $6,313/ct | -8.2% | -6.8% |
| Lab-Grown Round 2.00-2.49 J-K I | 172 | $2,364/ct | -8.1% | -34.6% |
| Lab-Grown Round 2.00-2.49 H-I I | 221 | $4,906/ct | -7.3% | -21.4% |
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