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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG817690044

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817690044

Diamond specifications and retailer prices

From $316 CAD
$226 USD
As of November 2, 2026
Save $1,467 CAD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,783 CAD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG817690044 or 817690044. Listed at 21 retailers as of November 1, 2026, with prices from $316 to $1,783, a $1,467 spread on the same certified stone. Reve Diamonds lists it at $1,783. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817690044
Dimensions12.77 × 5.35 × 3.28 mm
L/W Ratio2.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm5.35 mm1.31 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817690044
Side View
Table 60.0%Crown 33.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.3%

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: Nov 2
Current: $468 CAD|Low: $303 CAD|High: $1,783 CAD|Avg: $825 CAD|-1.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 6$316 CAD
Retailer 5$352 CAD
Retailer 9$366 CAD
Retailer 4$391 CAD
Retailer 7$391 CAD
Retailer 1$468 CAD
Retailer 14$528 CAD
Retailer 16$653 CAD
Retailer 11$676 CAD
Retailer 10$724 CAD
Retailer 13$788 CAD
Retailer 15$955 CAD
Retailer 17$1,049 CAD
Retailer 2$1,069 CAD
Retailer 8$1,258 CAD
Retailer 3$1,262 CAD
Retailer 12$1,569 CAD
Reve Diamonds$1,783 CAD

37 data points across 18 retailers

21 retailers$316 CAD to $1,783 CAD

A
Cheapest Retailer
-
$316 CAD
$226 USD
A
Retailer 2
-
$352 CAD
$252 USD
View
Final sale: no returns
A
Retailer 3
-
$366 CAD
$262 USD
View
A
Retailer 4
-
$391 CAD
$280 USD
View
Retailer 5
-
$391 CAD
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$468 CAD
£264 GBP
View
B+
Retailer 7
-
$528 CAD
$378 USD
View
A
Retailer 8
-
$653 CAD
€445 EUR
View
A
Retailer 9
-
$676 CAD
ZAR 7,810 ZAR
View
A
Retailer 10
-
$714 CAD
$511 USD
View
A
Retailer 11
-
$724 CAD
£408 GBP
View
B+
Retailer 12
-
$788 CAD
A$868 AUD
View
B+
Retailer 13
-
$838 CAD
$600 USD
View
B+
Retailer 14
-
$955 CAD
A$1,051 AUD
View
B+
Retailer 15
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$1,049 CAD
A$1,155 AUD
View
B+
Retailer 16
-
$1,069 CAD
$765 USD
View
B
Retailer 17
-
$1,258 CAD
$900 USD
View
B
Retailer 18
-
$1,262 CAD
$903 USD
View
B
Retailer 19
-
$1,331 CAD
$953 USD
View
B
Retailer 20
-
$1,569 CAD
£884 GBP
View
Most Expensive
B
Reve Diamonds
A8865663F · Nov 1
$1,783 CAD
$1,276 USD
View
20 more retailers have this diamond
Prices start from $316 CADSave up to $1,467 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
$316 CAD