Search for diamonds across many online retailers!
Diamond Price Guide
Diamond Prices by Carat Size
Prices as of October 2026
Median prices for a round G / VS1 diamond at each size we track, from real listings at Ritani, Blue Nile, Rare Carat, and Brilliance. Natural prices pull away from weight fast: in our October 2026 snapshot, a 3 carat round cost about 15 times what a 1 carat did. Pick a size for the breakdown by shape and retailer.
Round diamond prices by carat
Median price, G / VS1, blended across retailers
| Size | Natural | Lab-grown | Lab-grown saves |
|---|---|---|---|
| Half Carat Diamond Price | $887 | $188 | 79% |
| 1 Carat Diamond Price | $3,419 | $350 | 90% |
| 1.5 Carat Diamond Price | $8,763 | $613 | 93% |
| 2 Carat Diamond Price | $19,910 | $798 | 96% |
| 3 Carat Diamond Price | $51,157 | $1,819 | 96% |