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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG782691142

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG782691142

Diamond specifications and retailer prices

From $288 CAD
$206 USD
As of November 2, 2026
Save $1,380 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,668 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782691142 or 782691142. Listed at 19 retailers as of November 1, 2026, with prices from $288 to $1,668, a $1,380 spread on the same certified stone. MOH London lists it at $1,668. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782691142
Dimensions11.47 × 5.74 × 3.46 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm5.74 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782691142
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.3%

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 2
Current: $1,668 CAD|Low: $277 CAD|High: $1,689 CAD|Avg: $811 CAD
MOH London
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
November 2, 2026
Retailer 12$288 CAD
Retailer 4$334 CAD
Retailer 5$356 CAD
Retailer 14$356 CAD
Retailer 13$503 CAD
Retailer 9$591 CAD
Retailer 7$616 CAD
Retailer 2$652 CAD
Retailer 10$873 CAD
Retailer 11$925 CAD
Retailer 3$1,147 CAD
Retailer 8$1,229 CAD
Retailer 6$1,405 CAD
MOH London$1,668 CAD

44 data points across 14 retailers

19 retailers$288 CAD to $1,668 CAD

A
Cheapest Retailer
-
$288 CAD
$206 USD
A
Retailer 2
-
$334 CAD
$239 USD
View
A
Retailer 3
-
$356 CAD
$255 USD
View
Retailer 4
-
$356 CAD
$255 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$503 CAD
$360 USD
View
A
Retailer 6
-
$591 CAD
€403 EUR
View
A
Retailer 7
-
$616 CAD
ZAR 7,124 ZAR
View
A
Retailer 8
-
$652 CAD
£367 GBP
View
A
Retailer 9
-
$704 CAD
$504 USD
View
B+
Retailer 10
-
$873 CAD
A$961 AUD
View
B+
Retailer 11
-
$925 CAD
$662 USD
View
B+
Retailer 12
-
$930 CAD
$666 USD
View
Retailer 13
-
$1,009 CAD
A$1,111 AUD
View
Price last confirmed 139 days ago
B+
Retailer 14
-
$1,147 CAD
$821 USD
View
B
Retailer 15
-
$1,161 CAD
SGD 1,123 SGD
View
B
Retailer 16
-
$1,222 CAD
$874 USD
View
B+
Retailer 17
-
$1,229 CAD
$880 USD
View
B
Retailer 18
-
$1,405 CAD
£792 GBP
View
Most Expensive
B
MOH London
LG782691142 · Nov 1
$1,668 CAD
£940 GBP
View
18 more retailers have this diamond
Prices start from $288 CADSave up to $1,380 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
1.31ct Marquise
$288 CAD