FACETWIREPrice IntelligenceUnder 1 Carat radiant lab-grown diamonds
Every under 1 carat radiant lab-grown diamond Facet Wire tracks, sorted by live price.
Facet Wire is tracking 37 live under 1 carat radiant lab-grown listings right now across 1 retailers: New World Diamonds (37). Prices run from $290 to $1,020, with a median of $635 ($1,000 per carat at the median). Data refreshes nightly — last build 2026-10-21.
Most popular / better value
Across these 37 listings, the most common color is FANCY VIVID PINK (15 stones), the most common clarity is VS2 (10 stones).
Cheapest live under 1 carat radiant lab-grown listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| 0.48Ct Deep Orange I1 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.48 | Fancy Deep Orange | I1 | IGI 270778034 | $290 | $604 |
| 0.49Ct Vivid Pink SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.49 | Fancy Vivid Pink | SI2 | IGI LG22100601 | $395 | $806 |
| 0.5Ct Intense Pink SI1 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.50 | Fancy Intense Pink | SI1 | IGI LG22100603 | $500 | $1,000 |
| 0.63Ct Vivid Pink SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.63 | Fancy Vivid Pink | SI2 | IGI LG22101205 | $505 | $802 |
| 0.51Ct Vivid Pink SI1 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.51 | Fancy Vivid Pink | SI1 | IGI LG22100604 | $510 | $1,000 |
| 0.67Ct Deep Pink SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.67 | Fancy Deep Orange Pink | SI2 | IGI 270777348 | $540 | $806 |
| 0.54Ct Vivid Pink SI1 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.54 | Fancy Vivid Pink | SI1 | IGI LG22100607 | $540 | $1,000 |
| 0.79Ct Deep Blue SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.79 | Fancy Deep Blue | SI2 | IGI LG11924015 | $555 | $703 |
| 0.69Ct Intense Pink SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.69 | Fancy Intense Pink | SI2 | IGI LG22101206 | $555 | $804 |
| 0.7Ct Fancy Pink SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.70 | Fancy Orange Pink | SI2 | IGI 270778091 | $560 | $800 |
| 0.57Ct Intense Pink VS2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.57 | Fancy Intense Pink | VS2 | IGI LG22101201 | $570 | $1,000 |
| 0.81Ct Vivid Blue SI2 IGI Certified Radiant Lab Grown Diamond | New World Diamonds | 0.81 | Fancy Vivid Greenish Blue | SI2 | IGI LG11924014 | $570 | $704 |
Frequently asked questions
How much does a radiant lab-grown diamond cost?
Across 37 live listings tracked by Facet Wire, radiant lab-grown diamonds run from $290 to $1,020, with a median price of $635 ($1,000 per carat). The cheapest tracked right now is a 0.48 ct stone at New World Diamonds for $290.
Which retailer is cheapest for radiant lab-grown diamonds?
It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across New World Diamonds, and the same certified stone often appears at several retailers with a real price gap.
Are radiant diamonds good value?
Radiant stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, radiant lab-grown diamonds run $1,000 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.