FACETWIREPrice Intelligence3 Carat Round natural diamonds
Every 3 carat round natural diamond Facet Wire tracks, sorted by live price.
Facet Wire is tracking 8 live 3 carat round natural listings right now across 3 retailers: Frank Darling (4), Blue Nile (3), With Clarity (1). Prices run from $25,751 to $347,328, with a median of $37,845 ($11,598 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 (4 stones), the most common clarity is SI1 (3 stones).
Cheapest live 3 carat round natural listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| Natural Diamond [ID: BR035591DI] | Frank Darling | 3.04 | J | SI1 | GIA 2528209502 | $25,751 | $8,471 |
| Natural Diamond [ID: BR043725DI] | Frank Darling | 4.01 | M | VS1 | GIA 6535399463 | $25,947 | $6,471 |
| Natural Diamond [ID: 24743HD] | Frank Darling | 3.58 | K | SI1 | GIA 6233969227.0 | $27,764 | $7,755 |
| Natural Diamond [ID: 9210012038BG] | Frank Darling | 3.61 | J | VS2 | GIA 2185894663 | $35,336 | $9,788 |
| GIA 3.01 Carat D-SI1 Excellent Cut Round Natural Diamond | Blue Nile | 3.01 | D | SI1 | GIA | $40,355 | $13,407 |
| GIA 3.00 Carat D-VS1 Excellent Cut Round Natural Diamond | Blue Nile | 3.00 | D | VS1 | GIA | $49,906 | $16,635 |
| GIA 3.01 Carat D-VVS2 Excellent Cut Round Natural Diamond | Blue Nile | 3.01 | D | VVS2 | GIA | $90,742 | $30,147 |
| GIA 3.5 Carat D-FL Excellent Cut Round Diamond | With Clarity | 3.50 | D | FL | GIA 1539376925 | $347,328 | $99,237 |
Frequently asked questions
How much does a round natural diamond cost?
Across 8 live listings tracked by Facet Wire, round natural diamonds run from $25,751 to $347,328, with a median price of $37,845 ($11,598 per carat). The cheapest tracked right now is a 3.04 ct stone at Frank Darling for $25,751.
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 Frank Darling, Blue Nile, 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 $11,598 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.