1.5 Carat Marquise Lab-Grown Diamonds

Compare marquise lab-grown diamonds weighing 1.50–1.59 ct.

Showing up to 24 matching diamonds. Fresh listings appear first, ordered by lowest observed price. Older listings remain visible with their observation dates and require availability checks. Color, clarity and cut are unrestricted. Prices can depend on payment method; confirm terms at checkout.

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24 matching diamonds shown.

1.51 ct Marquise lab-grown diamond

E · SI1 · Very Good · IGI 838620229

Last checked November 3, 2026 at 07:49 UTC

1.50 ct Marquise lab-grown diamond

F · SI1 · Very Good · IGI 844608672

Last checked November 3, 2026 at 07:49 UTC

1.50 ct Marquise lab-grown diamond

E · SI1 · IGI 840628028

Last checked November 3, 2026 at 07:49 UTC

1.57 ct Marquise lab-grown diamond

F · SI1 · Very Good · IGI 840612730

Last checked November 3, 2026 at 07:49 UTC

1.53 ct Marquise lab-grown diamond

D · SI1 · Very Good · IGI 838612517

Last checked November 3, 2026 at 07:49 UTC

1.50 ct Marquise lab-grown diamond

E · VS2 · IGI 844678491

Last checked November 3, 2026 at 07:49 UTC

1.55 ct Marquise lab-grown diamond

G · VS2 · Excellent · IGI 843670563

Last checked November 3, 2026 at 07:49 UTC

1.57 ct Marquise lab-grown diamond

G · VS1 · IGI 843657566

Last checked November 3, 2026 at 07:49 UTC

1.50 ct Marquise lab-grown diamond

G · VVS2 · IGI 843661257

Last checked November 3, 2026 at 07:49 UTC

Comparing 1.5 carat marquise lab-grown diamonds

Carat measures weight. Compare measurements and cut as well as color and clarity before choosing a stone. A shared grading certificate identifies the same diamond across sellers; approximate matches require verification.

This page uses 1.50–1.59 ct to keep results close to 1.5 carats. Use the live search to change the range or filter grades.

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