Cushion Lab-Grown Diamonds

Cushion cuts pair a soft, pillow-like outline with deep brilliance — a romantic, vintage-leaning choice. Every stone is IGI-certified and shown in 360° video — the exact diamond you receive.

1.05ct Cushion E VS1 IGI-certified lab-grown diamond
1.05ct Cushion · E VS1
IGI 828650137 · 7.23×5.25×3.49mm
1.05ct Cushion E VS1 IGI-certified lab-grown diamond
1.05ct Cushion · E VS1
IGI 826638983 · 7.24×5.23×3.55mm
1.06ct Cushion E VS1 IGI-certified lab-grown diamond
1.06ct Cushion · E VS1
IGI 826680342 · 7.27×5.24×3.55mm
1.06ct Cushion E VS1 IGI-certified lab-grown diamond
1.06ct Cushion · E VS1
IGI 828645589 · 7.24×5.21×3.53mm
1.5ct Cushion E VS1 IGI-certified lab-grown diamond
1.5ct Cushion · E VS1
IGI 828639942 · 8.21×5.9×4.02mm
2.08ct Cushion F VVS2 IGI-certified lab-grown diamond
2.08ct Cushion F VVS2 IGI-certified lab-grown diamond
3ct Cushion F VVS2 IGI-certified lab-grown diamond
3ct Cushion · F VVS2
IGI 823678691 · 8.53×8.37×5.56mm
3.08ct Cushion F VVS2 IGI-certified lab-grown diamond
3.08ct Cushion · F VVS2
IGI 784659993 · 10.36×7.48×5.02mm
3.08ct Cushion F VVS2 IGI-certified lab-grown diamond
3.08ct Cushion F VVS2 IGI-certified lab-grown diamond
3.08ct Cushion · F VVS2
IGI 785606367 · 10.28×7.46×5.02mm
3.08ct Cushion F VVS2 IGI-certified lab-grown diamond
3.08ct Cushion · F VVS2
IGI 784649467 · 10.25×7.45×5.02mm
3.09ct Cushion F VVS2 IGI-certified lab-grown diamond
3.09ct Cushion · F VVS2
IGI 787631400 · 10.44×7.53×5.01mm
3.1ct Cushion E VS1 IGI-certified lab-grown diamond
3.1ct Cushion · E VS1
IGI 809602187 · 10.4×7.51×5.06mm
3.1ct Cushion E VS1 IGI-certified lab-grown diamond
3.1ct Cushion · E VS1
IGI 798602725 · 10.34×7.44×4.98mm
3.1ct Cushion E VS1 IGI-certified lab-grown diamond
3.1ct Cushion · E VS1
IGI 795693690 · 10.39×7.53×5.07mm
3.1ct Cushion F VVS2 IGI-certified lab-grown diamond
3.1ct Cushion · F VVS2
IGI 797692757 · 10.44×7.51×5.03mm
4.05ct Cushion F VVS2 IGI-certified lab-grown diamond
4.05ct Cushion · F VVS2
IGI 805687177 · 11.42×8.33×5.58mm
4.06ct Cushion F VVS2 IGI-certified lab-grown diamond
4.06ct Cushion · F VVS2
IGI 815653602 · 11.15×8.16×5.53mm
4.07ct Cushion F VVS2 IGI-certified lab-grown diamond
4.07ct Cushion F VVS2 IGI-certified lab-grown diamond
4.07ct Cushion · F VVS2
IGI 813633782 · 11.26×8.19×5.48mm
4.09ct Cushion E VS1 IGI-certified lab-grown diamond
4.09ct Cushion · E VS1
IGI 816694009 · 11.39×8.29×5.52mm
4.1ct Cushion F VVS2 IGI-certified lab-grown diamond
4.1ct Cushion · F VVS2
IGI 815630277 · 11.39×8.21×5.45mm
4.1ct Cushion F VVS2 IGI-certified lab-grown diamond
4.1ct Cushion · F VVS2
IGI 720518068 · 11.44×8.28×5.51mm
4.1ct Cushion F VVS2 IGI-certified lab-grown diamond
4.1ct Cushion · F VVS2
IGI 817613609 · 11.38×8.24×5.49mm
4.72ct Cushion F VS1 IGI-certified lab-grown diamond
4.72ct Cushion · F VS1
IGI LG603367042 · 11.59×8.88×5.95mm
$1,014Buy now
5.05ct Cushion F VVS2 IGI-certified lab-grown diamond
5.05ct Cushion · F VVS2
IGI 814641419 · 12.21×8.81×5.96mm
$1,106Buy now
5.1ct Cushion F VS1 IGI-certified lab-grown diamond
5.1ct Cushion · F VS1
IGI 826616293 · 12.29×8.9×5.96mm
$1,108Buy now
6.02ct Cushion F VVS2 IGI-certified lab-grown diamond
6.06ct Cushion F VS1 IGI-certified lab-grown diamond
6.06ct Cushion · F VS1
IGI 838662086 · 12.95×9.29×6.17mm
$1,293Buy now

About cushion lab-grown diamonds

Cushion cuts pair a soft, pillow-like outline with deep brilliance — a romantic, vintage-leaning choice. All cushion 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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