FACETWIREPrice IntelligenceMarquise diamonds at Grown Brilliance
Every marquise diamond Facet Wire currently tracks at Grown Brilliance — lab-grown and natural, sorted by live price.
Facet Wire is tracking 12241 live marquise diamonds at Grown Brilliance listings right now across 1 retailers: Grown Brilliance (12241). Prices run from $390 to $16,565, with a median of $1,300 ($579 per carat at the median). Data refreshes nightly — last build 2026-10-22.
Cheapest live marquise diamonds at Grown Brilliance listings
| Stone | Retailer | Carat | Color | Clarity | Cert | Price | $/ct |
|---|---|---|---|---|---|---|---|
| 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 |
| 1.02 ct Marquise E VS2 Lab-Grown Diamond | Grown Brilliance | 1.02 | E | VS2 | — | $395 | $387 |
Frequently asked questions
How much do marquise diamonds cost at Grown Brilliance?
Facet Wire tracks 12241 live marquise listings at Grown Brilliance, from $390 to $16,565, with a median price of $1,300 ($579 per carat).
Is Grown Brilliance the cheapest place to buy a marquise diamond?
Not always — the same certified marquise stone often lists at several retailers at once, at different prices. Facet Wire search puts every retailer's live price for matching specs side by side, so the gap is visible before you buy.
How many marquise diamonds does Grown Brilliance list?
12241 in Facet Wire's tracked set right now, across lab-grown and natural. The count moves nightly as Grown Brilliance adds and sells inventory.
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.