1 Carat Marquise natural diamonds

Every 1 carat marquise natural diamond Facet Wire tracks, sorted by live price.

Facet Wire is tracking 13 live 1 carat marquise natural listings right now across 2 retailers: Blue Nile (11), With Clarity (2). Prices run from $3,534 to $16,733, with a median of $6,074 ($6,014 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 13 listings, the most common color is D (7 stones), the most common clarity is IF (5 stones).

Cheapest live 1 carat marquise natural listings

StoneRetailerCaratColorClarityCertPrice$/ct
GIA 1.20 Carat I-SI1 Ideal Cut Marquise Natural DiamondBlue Nile1.20ISI1GIA$3,534$2,945
GIA 1.01 Carat I-VS1 Ideal Cut Marquise Natural DiamondBlue Nile1.01IVS1GIA$3,779$3,742
GIA 1 Carat H-SI1 Excellent Cut Marquise DiamondWith Clarity1.00HSI1GIA 2544847419$3,977$3,977
GIA 1.01 Carat D-SI1 Ideal Cut Marquise Natural DiamondBlue Nile1.01DSI1GIA$4,095$4,054
GIA 1.20 Carat D-SI1 Ideal Cut Marquise Natural DiamondBlue Nile1.20DSI1GIA$5,324$4,437
GIA 1.01 Carat G-VS1 Ideal Cut Marquise Natural DiamondBlue Nile1.01GVS1GIA$5,886$5,828
GIA 1.01 Carat H-VVS2 Excellent Cut Marquise DiamondWith Clarity1.01HVVS2GIA 6545730208$6,074$6,014
GIA 1.14 Carat D-VS1 Very Good Cut Marquise Natural DiamondBlue Nile1.14DVS1GIA$7,072$6,204
GIA 1.02 Carat G-IF Ideal Cut Marquise Natural DiamondBlue Nile1.02GIFGIA$7,394$7,249
GIA 1.02 Carat D-IF Ideal Cut Marquise Natural DiamondBlue Nile1.02DIFGIA$9,592$9,404
GIA 1.18 Carat D-IF Very Good Cut Marquise Natural DiamondBlue Nile1.18DIFGIA$9,941$8,425
GIA 1.20 Carat D-IF Ideal Cut Marquise Natural DiamondBlue Nile1.20DIFGIA$13,316$11,097

Search all 1997 tracked listings →

Frequently asked questions

How much does a marquise natural diamond cost?

Across 13 live listings tracked by Facet Wire, marquise natural diamonds run from $3,534 to $16,733, with a median price of $6,074 ($6,014 per carat). The cheapest tracked right now is a 1.20 ct stone at Blue Nile for $3,534.

Which retailer is cheapest for marquise 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, With Clarity, 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 natural diamonds run $6,014 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.