FACETWIREPrice IntelligenceBlue Nile vs Frank Darling: diamond prices compared
Facet Wire tracks both retailers nightly. Here is how their live diamond pricing stacks up — medians, per-carat costs, and the cheapest listings from each.
Facet Wire is tracking 804 live Blue Nile + Frank Darling listings right now across 2 retailers: Blue Nile (444), Frank Darling (360). Prices run from $275 to $327,746, with a median of $3,124 ($1,401 per carat at the median). Data refreshes nightly — last build 2026-10-18.
Cheapest live Blue Nile + Frank Darling listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| 0.34 Carat D-VS1 Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.34 | D | VS1 | — | $275 | $809 |
| 0.35 Carat D-VS1 Ideal Cut Pear Lab-Grown Diamond | Blue Nile | 0.35 | D | VS1 | — | $283 | $809 |
| 0.35 Carat D-VS1 Ideal Cut Pear Lab-Grown Diamond | Blue Nile | 0.35 | D | VS1 | — | $283 | $809 |
| 0.35 Carat D-VS1 Ideal Cut Pear Lab-Grown Diamond | Blue Nile | 0.35 | D | VS1 | — | $283 | $809 |
| 0.35 Carat D-VS1 Very Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.35 | D | VS1 | — | $283 | $809 |
| 0.35 Carat D-VVS2 Ideal Cut Pear Lab-Grown Diamond | Blue Nile | 0.35 | D | VVS2 | — | $297 | $849 |
| 0.36 Carat D-VVS2 Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.36 | D | VVS2 | — | $306 | $850 |
| 0.36 Carat D-VVS2 Ideal Cut Pear Lab-Grown Diamond | Blue Nile | 0.36 | D | VVS2 | — | $306 | $850 |
| 0.71 Carat G-VS2 Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.71 | G | VS2 | — | $413 | $582 |
| 0.71 Carat H-VS1 Very Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.71 | H | VS1 | — | $418 | $589 |
| 0.72 Carat E-VS2 Very Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.72 | E | VS2 | — | $436 | $606 |
| 0.7 Carat D-VS1 Very Good Cut Pear Lab-Grown Diamond | Blue Nile | 0.70 | D | VS1 | — | $437 | $624 |
Frequently asked questions
Is Blue Nile or Frank Darling cheaper for diamonds?
On Facet Wire's live tracked data, Blue Nile lists 444 stones with a median of $4,602 ($3,923/ct); Frank Darling lists 360 with a median of $2,932 ($1,187/ct). Medians mix shapes and sizes — the honest test is the same certified stone at both stores, which is what the table below tracks.
Do the same diamonds appear at both retailers?
Stones with identical specs — same shape, carat, color, clarity and cut — routinely appear at multiple retailers at very different prices. Facet Wire matches them spec-for-spec so the gap is visible before you buy: one tracked 1.08 ct natural radiant (E color, VVS2 clarity) currently shows a $6,259 spread — $4,267 at With Clarity versus $10,526 at Blue Nile for matching specs.
How often is this comparison updated?
Nightly. Facet Wire re-scrapes both retailers and rebuilds this page from the fresh listings.