Marquise Lab-Grown Diamonds

The marquise's elongated, pointed silhouette maximizes carat appearance and makes a bold, regal statement. Every stone is IGI-certified and shown in 360° video — the exact diamond you receive.

1ct Marquise FANCY VS2 IGI-certified lab-grown diamond
1ct Marquise · FANCY VS2
IGI LG837663133 · 9.53×4.75×3.23mm
2.1ct Marquise F VS1 IGI-certified lab-grown diamond
2.1ct Marquise · F VS1
IGI 828698545 · 13.51×6.44×4.17mm
2.1ct Marquise F VS1 IGI-certified lab-grown diamond
2.1ct Marquise · F VS1
IGI 830663360 · 13.83×6.6×4.08mm
2.46ct Marquise F VS1 IGI-certified lab-grown diamond
3.01ct Marquise F VS1 IGI-certified lab-grown diamond
3.01ct Marquise · F VS1
IGI LG800604926 · 13.59×7.7×3.99mm
$1,073Buy now
3.09ct Marquise E VS2 IGI-certified lab-grown diamond
3.09ct Marquise · E VS2
IGI 739542049 · 15.35×7.69×4.74mm
3.09ct Marquise F VVS2 IGI-certified lab-grown diamond
3.09ct Marquise · F VVS2
IGI 749518702 · 15.83×7.57×4.63mm
3.09ct Marquise F VVS2 IGI-certified lab-grown diamond
3.09ct Marquise · F VVS2
IGI 749566813 · 15.67×7.49×4.63mm
3.09ct Marquise F VVS2 IGI-certified lab-grown diamond
3.1ct Marquise F VVS2 IGI-certified lab-grown diamond
3.1ct Marquise · F VVS2
IGI 801604489 · 15.48×7.53×4.75mm
3.1ct Marquise F VVS2 IGI-certified lab-grown diamond
3.99ct Marquise F VS1 IGI-certified lab-grown diamond
4ct Marquise F VVS2 IGI-certified lab-grown diamond
4ct Marquise · F VVS2
IGI 817616641 · 17.13×8.17×5.04mm
4.01ct Marquise F VS1 IGI-certified lab-grown diamond
4.01ct Marquise · F VS1
IGI 815644831 · 16.56×8.15×5.21mm
4.02ct Marquise F VS1 IGI-certified lab-grown diamond
4.02ct Marquise · F VS1
IGI 840666092 · 16.55×8.27×5.17mm
4.02ct Marquise F VVS2 IGI-certified lab-grown diamond
4.02ct Marquise · F VVS2
IGI 817603759 · 17.44×8.29×5.02mm
4.1ct Marquise F VVS2 IGI-certified lab-grown diamond
5ct Marquise F VS2 IGI-certified lab-grown diamond
5ct Marquise · F VS2
IGI LG833644245 · 19.48×8.92×5.18mm
$1,065Buy now

About marquise lab-grown diamonds

The marquise's elongated, pointed silhouette maximizes carat appearance and makes a bold, regal statement. All marquise diamonds sold by Matts Diamonds are laboratory-grown — chemically and optically identical to mined diamonds, conflict-free, and independently graded by IGI, with a verifiable report and a 360° video of the exact stone. Free insured shipping within the USA.

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Beyond what we auction live, browse thousands more certified natural & lab-grown diamonds — every shape, size and budget, shipped fully insured.

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