FACETWIREPrice Intelligence1 Carat lab-grown diamonds
All 1 carat lab-grown diamonds tracked right now, every shape, every retailer, sorted by price.
Facet Wire is tracking 10218 live 1 carat lab-grown listings right now across 10 retailers: Grown Brilliance (8499), New World Diamonds (1203), MiaDonna (161), Friendly Diamonds (138), Ritani (111), Frank Darling (28), With Clarity (25), Ada Diamonds (24), Blue Nile (23), VRAI (6). Prices run from $205 to $2,520, with a median of $585 ($487 per carat at the median). Data refreshes nightly — last build 2026-10-22.
Most popular / better value
Across these 10218 listings, the most common color is E (4103 stones), the most common clarity is VS1 (3598 stones).
Better value: G color / VS1 clarity is the cheapest well-stocked spec combination here — 13 listings at a median of $333 per carat.
Cheapest live 1 carat lab-grown listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| 1.04Ct K VS2 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.04 | K | VS2 | IGI LG12351205 | $205 | $197 |
| 1.06Ct H SI2 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.06 | H | SI2 | IGI LG12606709 | $230 | $217 |
| 1.1Ct H SI2 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.10 | H | SI2 | IGI LG12606714 | $240 | $218 |
| 1.05Ct J VS1 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.05 | J | VS1 | IGI LG12606708 | $245 | $233 |
| 1.04Ct H SI1 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.04 | H | SI1 | IGI LG12606705 | $255 | $245 |
| 1.07Ct H SI1 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.07 | H | SI1 | IGI LG12606712 | $260 | $243 |
| 1.07Ct H SI1 IGI Certified Pear Lab Grown Diamond | New World Diamonds | 1.07 | H | SI1 | IGI LG12242911 | $260 | $243 |
| 1.07Ct H SI1 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.07 | H | SI1 | IGI LG12606713 | $260 | $243 |
| 1.07Ct K VS1 IGI Certified Cushion Lab Grown Diamond | New World Diamonds | 1.07 | K | VS1 | IGI LG12242505 | $265 | $248 |
| 1.15Ct K VS2 IGI Certified Cushion Lab Grown Diamond | New World Diamonds | 1.15 | K | VS2 | IGI LG12242504 | $265 | $230 |
| 1Ct I SI1 IGI Certified Emerald Lab Grown Diamond | New World Diamonds | 1.00 | I | SI1 | IGI LG12242512 | $275 | $275 |
| 1.03Ct H SI1 IGI Certified Round Lab Grown Diamond | New World Diamonds | 1.03 | H | SI1 | IGI 305811600 | $280 | $272 |
Frequently asked questions
How much does a 1 carat lab-grown diamond cost?
Across 10218 live listings tracked by Facet Wire, 1 carat lab-grown diamonds run from $205 to $2,520, with a median price of $585 ($487 per carat). The cheapest tracked right now is a 1.04 ct stone at New World Diamonds for $205.
Which retailer is cheapest for 1 carat lab-grown diamonds?
It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across Grown Brilliance, New World Diamonds, MiaDonna, Friendly Diamonds, Ritani, Frank Darling, With Clarity, Ada Diamonds, Blue Nile, VRAI, and the same certified stone often appears at several retailers with a real price gap.
Are 1 carat diamonds good value?
1 Carat stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, 1 carat lab-grown diamonds run $487 per carat across our tracked retailers.
How often do these prices update?
Facet Wire re-scrapes its retailers nightly and rebuilds this page from the fresh data, so counts, medians and the cheapest listings reflect the latest run.