FACETWIREPrice Intelligence3 Carat natural diamonds
All 3 carat natural diamonds tracked right now, every shape, every retailer, sorted by price.
Facet Wire is tracking 91 live 3 carat natural listings right now across 4 retailers: Blue Nile (53), Grown Brilliance (20), Frank Darling (13), With Clarity (5). Prices run from $4,830 to $347,328, with a median of $41,765 ($13,438 per carat at the median). Data refreshes nightly — last build 2026-10-22.
Most popular / better value
Across these 91 listings, the most common color is D (49 stones), the most common clarity is IF (32 stones).
Better value: D color / IF clarity is the cheapest well-stocked spec combination here — 27 listings at a median of $1,599 per carat.
Cheapest live 3 carat natural listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
| 3.02 ct Emerald D IF Lab-Grown Diamond | Grown Brilliance | 3.02 | D | IF | — | $4,830 | $1,599 |
Frequently asked questions
How much does a 3 carat natural diamond cost?
Across 91 live listings tracked by Facet Wire, 3 carat natural diamonds run from $4,830 to $347,328, with a median price of $41,765 ($13,438 per carat). The cheapest tracked right now is a 3.02 ct stone at Grown Brilliance for $4,830.
Which retailer is cheapest for 3 carat 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, Grown Brilliance, Frank Darling, With Clarity, and the same certified stone often appears at several retailers with a real price gap.
Are 3 carat diamonds good value?
3 Carat stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, 3 carat natural diamonds run $13,438 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.