FACETWIREPrice Intelligence1.5 Carat Round natural diamonds
Every 1.5 carat round natural diamond Facet Wire tracks, sorted by live price.
Facet Wire is tracking 6 live 1.5 carat round natural listings right now across 3 retailers: Blue Nile (3), Frank Darling (2), With Clarity (1). Prices run from $7,245 to $18,979, with a median of $9,284 ($6,065 per carat at the median). Data refreshes nightly — last build 2026-10-18.
Most popular / better value
Across these 6 listings, the most common color is H (2 stones), the most common clarity is VS1 (2 stones).
Cheapest live 1.5 carat round natural listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| Natural Diamond [ID: BR041125DI] | Frank Darling | 1.57 | G | VS1 | GIA 3535247626 | $7,245 | $4,615 |
| Natural Diamond [ID: BR047659DI] | Frank Darling | 1.51 | H | VVS1 | GIA 2544683529 | $8,401 | $5,563 |
| GIA 1.50 Carat E-SI1 Excellent Cut Round Natural Diamond | Blue Nile | 1.50 | E | SI1 | GIA | $8,513 | $5,675 |
| GIA 1.51 Carat H-VS1 Excellent Cut Round Diamond | With Clarity | 1.51 | H | VS1 | GIA 2546741348 | $10,056 | $6,660 |
| GIA 1.63 Carat D-SI1 Excellent Cut Round Natural Diamond | Blue Nile | 1.63 | D | SI1 | GIA | $10,520 | $6,454 |
| GIA 1.50 Carat D-IF Excellent Cut Round Natural Diamond | Blue Nile | 1.50 | D | IF | GIA | $18,979 | $12,653 |
Frequently asked questions
How much does a round natural diamond cost?
Across 6 live listings tracked by Facet Wire, round natural diamonds run from $7,245 to $18,979, with a median price of $9,284 ($6,065 per carat). The cheapest tracked right now is a 1.57 ct stone at Frank Darling for $7,245.
Which retailer is cheapest for round 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, Frank Darling, With Clarity, and the same certified stone often appears at several retailers with a real price gap.
Are round diamonds good value?
Round stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, round natural diamonds run $6,065 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.