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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645166

Diamond specifications and retailer prices

From $430 CAD
$308 USD
As of November 2, 2026
Save $3,385 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,815 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645166 or 784645166. Listed at 15 retailers as of November 2, 2026, with prices from $430 to $3,815, a $3,385 spread on the same certified stone. Do Amore Diamonds lists it at $3,815. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645166
Dimensions11.09 × 5.73 × 3.59 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.09 mm5.73 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645166
Side View
Table 58.0%Crown 34.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,815 CAD|Low: $430 CAD|High: $4,793 CAD|Avg: $1,697 CAD|-11.9%
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
November 1, 2026
Retailer 11$430 CAD
Retailer 3$499 CAD
Retailer 7$545 CAD
Retailer 12$757 CAD
Retailer 5$783 CAD
Retailer 14$869 CAD
Retailer 9$1,001 CAD
Retailer 6$1,009 CAD
Retailer 10$1,134 CAD
Retailer 13$1,638 CAD
Retailer 15$1,891 CAD
Retailer 2$2,357 CAD
Retailer 4$3,151 CAD
Retailer 8$3,186 CAD
Do Amore Diamonds$3,815 CAD

28 data points across 15 retailers

15 retailers$430 CAD to $3,815 CAD

A+
Cheapest Retailer
-
$430 CAD
$308 USD
A
Retailer 2
-
$499 CAD
$357 USD
View
A
Retailer 3
-
$545 CAD
$390 USD
View
Final sale: no returns
A
Retailer 4
-
$757 CAD
$542 USD
View
A
Retailer 5
-
$783 CAD
$560 USD
View
A
Retailer 6
-
$869 CAD
$622 USD
View
A
Retailer 7
-
$1,001 CAD
€682 EUR
View
A
Retailer 8
-
$1,009 CAD
$722 USD
View
A
Retailer 9
-
$1,134 CAD
A$1,248 AUD
View
B+
Retailer 10
-
$1,638 CAD
$1,172 USD
View
B+
Retailer 11
-
$1,891 CAD
$1,353 USD
View
B+
Retailer 12
-
$2,357 CAD
£1,328 GBP
View
B
Retailer 13
-
$3,151 CAD
$2,255 USD
View
B+
Retailer 14
-
$3,186 CAD
$2,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-03DF28AEE · Nov 2
$3,815 CAD
$2,730 USD
View
14 more retailers have this diamond
Prices start from $430 CADSave up to $3,385 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
$430 CAD