FACETWIREPrice Intelligence1.5 Carat Radiant natural diamonds
Every 1.5 carat radiant natural diamond Facet Wire tracks, sorted by live price.
Facet Wire is tracking 8 live 1.5 carat radiant natural listings right now across 2 retailers: Blue Nile (7), With Clarity (1). Prices run from $3,222 to $26,840, with a median of $9,554 ($5,876 per carat at the median). Data refreshes nightly — last build 2026-10-18.
Most popular / better value
Across these 8 listings, the most common color is D (2 stones), the most common clarity is SI1 (2 stones).
Cheapest live 1.5 carat radiant natural listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| GIA 1.51 Carat K-VVS2 Very Good Cut Radiant Diamond | With Clarity | 1.51 | K | VVS2 | GIA 2231832994 | $3,222 | $2,134 |
| GIA 1.51 Carat D-SI1 Ideal Cut Radiant Natural Diamond | Blue Nile | 1.51 | D | SI1 | GIA | $6,202 | $4,107 |
| GIA 1.53 Carat I-IF Very Good Cut Radiant Natural Diamond | Blue Nile | 1.53 | I | IF | GIA | $7,396 | $4,834 |
| GIA 1.77 Carat H-SI1 Ideal Cut Radiant Natural Diamond | Blue Nile | 1.77 | H | SI1 | GIA | $8,819 | $4,982 |
| GIA 1.52 Carat G-VVS1 Ideal Cut Radiant Natural Diamond | Blue Nile | 1.52 | G | VVS1 | GIA | $10,289 | $6,769 |
| GIA 1.52 Carat E-VS1 Ideal Cut Radiant Natural Diamond | Blue Nile | 1.52 | E | VS1 | GIA | $10,880 | $7,158 |
| GIA 1.73 Carat G-VS2 Very Good Cut Radiant Natural Diamond | Blue Nile | 1.73 | G | VS2 | GIA | $11,823 | $6,834 |
| GIA 1.70 Carat D-FL Ideal Cut Radiant Natural Diamond | Blue Nile | 1.70 | D | FL | GIA | $26,840 | $15,788 |
Frequently asked questions
How much does a radiant natural diamond cost?
Across 8 live listings tracked by Facet Wire, radiant natural diamonds run from $3,222 to $26,840, with a median price of $9,554 ($5,876 per carat). The cheapest tracked right now is a 1.51 ct stone at With Clarity for $3,222.
Which retailer is cheapest for radiant natural diamonds?
It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across Blue Nile, With Clarity, 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 natural diamonds run $5,876 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.