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Marquise|Lab Grown|IGI

1.37ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG797645056

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797645056

Diamond specifications and retailer prices

From $239 CAD
$171 USD
As of October 30, 2026
Save $1,152 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,391 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.37ct lab-grown marquise diamond

This 1.37ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797645056 or 797645056. Listed at 10 retailers as of October 29, 2026, with prices from $239 to $1,391, a $1,152 spread on the same certified stone. MOH London lists it at $1,391. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.37
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797645056
Dimensions11.39 × 5.90 × 3.63 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.39 mm5.90 mm1.37 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797645056
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: $1,391 CAD|Low: $229 CAD|High: $1,400 CAD|Avg: $863 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7$239 CAD
Retailer 5$386 CAD
Retailer 2$512 CAD
Retailer 10$514 CAD
Retailer 9$757 CAD
Retailer 6$1,004 CAD
Retailer 3$1,038 CAD
Retailer 11$1,050 CAD
Retailer 4$1,055 CAD
Retailer 8$1,202 CAD
MOH London$1,391 CAD

26 data points across 11 retailers

10 retailers$239 CAD to $1,391 CAD

A
Cheapest Retailer
-
$239 CAD
$171 USD
A
Retailer 2
-
$277 CAD
$198 USD
View
Retailer 3
-
$386 CAD
£217 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$512 CAD
€349 EUR
View
B+
Retailer 5
-
$757 CAD
$542 USD
View
B
Retailer 6
-
$951 CAD
$681 USD
View
B
Retailer 7
-
$1,004 CAD
$719 USD
View
B
Retailer 8
-
$1,055 CAD
$755 USD
View
Retailer 9
-
$1,202 CAD
SGD 1,163 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG797645056 · Oct 29
$1,391 CAD
£784 GBP
View
9 more retailers have this diamond
Prices start from $239 CADSave up to $1,152 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
1.37ct Marquise
$239 CAD