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Cushion|Lab Grown|IGI

5.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG7501986855

Certificate IGI LG7501986855

Diamond specifications and retailer prices

From $48,780 CAD
$34,920 USD
As of October 29, 2026
2 retailers carry this diamond
Only listing: $48,780 CAD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 5.31ct lab-grown cushion diamond

This 5.31ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG7501986855 or 7501986855. Listed at 2 retailers as of October 29, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG7501986855
Dimensions11.52 × 9.43 × 6.22 mm
L/W Ratio1.22
Culet sizeNone
Top View
11.52 mm9.43 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG7501986855
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $48,780 CAD|Low: $48,780 CAD|High: $148,312 CAD|Avg: $77,231 CAD|-10.3%
Brilliant Earth
Retailer 2
October 29, 2026
Brilliant Earth$48,780 CAD
Retailer 2$92,447 CAD

5 data points across 2 retailers

2 retailers

B
Brilliant Earth
13415605Y · Oct 29
$48,780 CAD
$34,920 USD
View

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B
5.31ct Cushion
$48,780 CAD