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Cushion|Lab Grown|IGI

5.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662902

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780662902

Diamond specifications and retailer prices

From $10,771 CAD
$7,711 USD
As of October 30, 2026
Save $32,135 CAD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $42,906 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG780662902 or 780662902. Listed at 14 retailers as of October 30, 2026, with prices from $10,771 to $42,906, a $32,135 spread on the same certified stone. Taylor and Hart lists it at $42,906. 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
Crown angle36.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662902
Dimensions11.84 × 9.29 × 6.05 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.84 mm9.29 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662902
Side View
Table 61.0%Crown 36.4°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $16,080 CAD|Low: $10,771 CAD|High: $44,713 CAD|Avg: $24,368 CAD|-17.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 31, 2026
Retailer 8$10,771 CAD
Retailer 7$11,515 CAD
Retailer 4$14,281 CAD
Retailer 3$14,514 CAD
Retailer 12$14,626 CAD
Retailer 1$16,080 CAD
Retailer 9$22,098 CAD
Retailer 13$22,490 CAD
Retailer 10$23,342 CAD
Retailer 2$24,920 CAD
Retailer 11$27,093 CAD
Retailer 6$33,196 CAD
Retailer 5$37,533 CAD
Taylor and Hart$42,906 CAD

40 data points across 14 retailers

14 retailers$10,771 CAD to $42,906 CAD

A
Cheapest Retailer
-
$10,771 CAD
$7,711 USD
A
Retailer 2
-
$11,515 CAD
$8,243 USD
View
A
Retailer 3
-
$14,281 CAD
$10,223 USD
View
Retailer 4
-
$14,514 CAD
$10,390 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$14,626 CAD
HK$81,800 HKD
View
A
Retailer 6
-
$16,080 CAD
£9,064 GBP
View
A
Retailer 7
-
$22,098 CAD
$15,819 USD
View
A
Retailer 8
-
$22,490 CAD
€15,333 EUR
View
B+
Retailer 9
-
$23,342 CAD
$16,710 USD
View
B+
Retailer 10
-
$24,920 CAD
£14,047 GBP
View
B+
Retailer 11
-
$27,093 CAD
ZAR 313,328 ZAR
View
B+
Retailer 12
-
$33,196 CAD
$23,764 USD
View
B
Retailer 13
-
$37,533 CAD
$26,869 USD
View
Most Expensive
B
Taylor and Hart
J1NOSVH · Oct 30
$42,906 CAD
$30,715 USD
View
13 more retailers have this diamond
Prices start from $10,771 CADSave up to $32,135 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.31ct Cushion
$10,771 CAD