FACETWIREPrice IntelligenceMarquise lab-grown diamonds
Live marquise lab-grown diamond prices from every retailer Facet Wire tracks — same stones, different prices, one table.
Facet Wire is tracking 12606 live marquise lab-grown listings right now across 10 retailers: Grown Brilliance (12198), Ritani (97), With Clarity (73), Frank Darling (72), Blue Nile (61), MiaDonna (48), New World Diamonds (47), Friendly Diamonds (5), Ada Diamonds (4), VRAI (1). Prices run from $378 to $100,700, with a median of $1,300 ($579 per carat at the median). Data refreshes nightly — last build 2026-10-22.
Most popular / better value
Across these 12606 listings, the most common color is E (5726 stones), the most common clarity is VVS2 (4935 stones).
Better value: F color / VS2 clarity is the cheapest well-stocked spec combination here — 257 listings at a median of $480 per carat.
Cheapest live marquise lab-grown listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| 0.54 Carat Marquise Shaped, Very Good Cut, D Color, VVS2 Clarity, IGI Certified Lab Grown Diamond | MiaDonna | 0.54 | D | VVS2 | IGI 785606123 | $378 | $700 |
| 1.01 ct Marquise F VS1 Lab-Grown Diamond | Grown Brilliance | 1.01 | F | VS1 | — | $390 | $386 |
| 1 ct Marquise F VS1 Lab-Grown Diamond | Grown Brilliance | 1.00 | F | VS1 | — | $390 | $390 |
| 1.01 ct Marquise F VS1 Lab-Grown Diamond | Grown Brilliance | 1.01 | F | VS1 | — | $390 | $386 |
| 1.01 ct Marquise F VS1 Lab-Grown Diamond | Grown Brilliance | 1.01 | F | VS1 | — | $390 | $386 |
| 1 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.00 | E | VS2 | — | $390 | $390 |
| 1 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.00 | E | VS2 | — | $390 | $390 |
| 1.01 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.01 | E | VS2 | — | $390 | $386 |
| 1 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.00 | E | VS2 | — | $390 | $390 |
| 1.02 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.02 | E | VS2 | — | $395 | $387 |
| 1.02 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.02 | E | VS2 | — | $395 | $387 |
| 1.05 ct Marquise F VS2 Lab-Grown Diamond | Grown Brilliance | 1.05 | F | VS2 | — | $395 | $376 |
Frequently asked questions
How much does a marquise lab-grown diamond cost?
Across 12606 live listings tracked by Facet Wire, marquise lab-grown diamonds run from $378 to $100,700, with a median price of $1,300 ($579 per carat). The cheapest tracked right now is a 0.54 ct stone at MiaDonna for $378.
Which retailer is cheapest for marquise lab-grown diamonds?
It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across Grown Brilliance, Ritani, With Clarity, Frank Darling, Blue Nile, MiaDonna, New World Diamonds, Friendly Diamonds, Ada Diamonds, VRAI, and the same certified stone often appears at several retailers with a real price gap.
Are marquise diamonds good value?
Marquise stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, marquise lab-grown diamonds run $579 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.