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Marquise|Lab Grown|IGI

1.40ct F FL Marquise Lab Grown Diamond

EX • F/FL • IGI LG813601658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813601658

Diamond specifications and retailer prices

From $989 CAD
As of November 4, 2026
Save $1,891 CAD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,092 CAD at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813601658 or 813601658. Listed at 9 retailers as of November 4, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
F
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813601658
Dimensions12.01 × 5.76 × 3.47 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.01 mm5.76 mm1.40 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813601658
Side View
Table 62.0%Crown 34.3°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,793 CAD|Low: $561 CAD|High: $4,106 CAD|Avg: $1,668 CAD|-32.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$624 CAD
Retailer 3$831 CAD
Retailer 9$932 CAD
Retailer 17$957 CAD
Retailer 12$989 CAD
Retailer 2$1,032 CAD
Retailer 18$1,063 CAD
Retailer 5$1,109 CAD
Retailer 4$1,137 CAD
Retailer 15$1,351 CAD
Retailer 8$1,517 CAD
Retailer 13$2,038 CAD
Retailer 10$2,060 CAD
Retailer 7$2,221 CAD
Retailer 11$2,378 CAD
Retailer 6$2,464 CAD
Brilliant Earth$2,793 CAD
Retailer 14$2,827 CAD
Retailer 16$2,880 CAD

19 data points across 19 retailers

9 retailers$989 CAD to $2,880 CAD

A
Cheapest Retailer
-
$989 CAD
A
Retailer 2
-
$1,032 CAD
View
Retailer 3
-
$1,063 CAD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
$1,351 CAD
View
B
Retailer 5
-
$2,038 CAD
View
B
Retailer 6
-
$2,793 CAD
View
B
Retailer 7
-
$2,827 CAD
View
B
Retailer 8
-
$2,880 CAD
View
Most Expensive
Brilliant Earth
20553964A · Oct 3
$4,092 CAD
$2,930 USD
View
Price last confirmed 33 days ago
8 more retailers have this diamond
Prices start from $989 CADSave up to $1,891 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
1.40ct Marquise
$989 CAD