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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG667430983

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG667430983

Diamond specifications and retailer prices

From $373 CAD
$267 USD
As of November 2, 2026
Save $1,675 CAD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,312 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 LG667430983 or 667430983. Listed at 25 retailers as of November 1, 2026, with a 449% 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

1.31
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667430983
Dimensions11.70 × 5.69 × 3.50 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
11.70 mm5.69 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667430983
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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: $3,619 CAD|Low: $359 CAD|High: $3,619 CAD|Avg: $1,182 CAD
Do Amore Diamonds
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
November 2, 2026
Retailer 5$359 CAD
Retailer 7$416 CAD
Retailer 4$463 CAD
Retailer 11$567 CAD
Retailer 19$573 CAD
Retailer 8$619 CAD
Retailer 6$626 CAD
Retailer 12$882 CAD
Retailer 2$898 CAD
Retailer 15$925 CAD
Retailer 3$1,027 CAD
Retailer 17$1,129 CAD
Retailer 16$1,247 CAD
Retailer 18$1,423 CAD
Retailer 10$1,874 CAD
Retailer 14$1,942 CAD
Retailer 9$1,964 CAD
Retailer 13$2,048 CAD
Do Amore Diamonds$3,619 CAD

43 data points across 19 retailers

25 retailers$373 CAD to $2,048 CAD

Retailer 1
-
$359 CAD
$257 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$373 CAD
$267 USD
View
A
Retailer 3
-
$416 CAD
$298 USD
View
Final sale: no returns
Retailer 4
-
$433 CAD
$310 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$463 CAD
$331 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$463 CAD
$331 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$463 CAD
$331 USD
View
A
Retailer 8
-
$567 CAD
$406 USD
View
A
Retailer 9
-
$573 CAD
$410 USD
View
A
Retailer 10
-
$619 CAD
$443 USD
View
A
Retailer 11
-
$626 CAD
$448 USD
View
B+
Retailer 12
-
$882 CAD
ZAR 10,191 ZAR
View
B+
Retailer 13
-
$898 CAD
£506 GBP
View
B+
Retailer 14
-
$925 CAD
A$1,018 AUD
View
B+
Retailer 15
-
$1,027 CAD
$735 USD
View
Retailer 16
-
$1,129 CAD
A$1,243 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$1,247 CAD
A$1,373 AUD
View
B
Retailer 18
-
$1,423 CAD
$1,018 USD
View
Retailer 19
-
$1,643 CAD
$1,176 USD
View
Price last confirmed 32 days ago
B
Retailer 20
-
$1,643 CAD
$1,176 USD
View
B
Retailer 21
-
$1,874 CAD
$1,341 USD
View
B
Retailer 22
-
$1,942 CAD
$1,390 USD
View
B
Retailer 23
-
$1,964 CAD
$1,406 USD
View
B
Retailer 24
-
$2,048 CAD
£1,154 GBP
View
Most Expensive
Do Amore Diamonds
27-FE57E0A4D · Nov 2
$3,312 CAD
$2,370 USD
View
Price under review
24 more retailers have this diamond
Prices start from $373 CADSave up to $1,675 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
$373 CAD