Marquise|Lab Grown|IGI

1.31ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG802623658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802623658

Diamond specifications and retailer prices

From $246 CAD
$176 USD
As of October 11, 2026
16 retailers carry this diamond
Most expensive: $1,600 CAD at Flawless Fine Jewelry · As of October 16, 2026
View at Flawless Fine Jewelry

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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802623658 or 802623658. Listed at 16 retailers as of October 11, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802623658
Dimensions11.81 × 5.73 × 3.42 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm5.73 mm1.31 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802623658
Side View
Table 62.0%Crown 32.9°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 59.7%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 11
Current: $1,600 CAD|Low: $276 CAD|High: $1,706 CAD|Avg: $969 CAD|+1.4%
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 22, 2026
Retailer 12$276 CAD
Retailer 8$387 CAD
Retailer 11$522 CAD
Retailer 9$535 CAD
Retailer 4$543 CAD
Retailer 6$564 CAD
Retailer 13$687 CAD
Retailer 7$1,040 CAD
Retailer 3$1,060 CAD
Retailer 2$1,302 CAD
Retailer 10$1,447 CAD
Retailer 5$1,565 CAD
Flawless Fine Jewelry$1,600 CAD

31 data points across 13 retailers

16 retailers$246 CAD to $1,600 CAD

Retailer 1
-
$246 CAD
$176 USD
Price last confirmed 18 days ago
Retailer 2
-
$287 CAD
$205 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$307 CAD
$219 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$307 CAD
$219 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$387 CAD
£218 GBP
View
Price last confirmed 13 days ago
Retailer 6
-
$522 CAD
ZAR 6,022 ZAR
View
Price last confirmed 16 days ago
Retailer 7
-
$535 CAD
£301 GBP
View
Price last confirmed 13 days ago
Retailer 8
-
$543 CAD
$388 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$687 CAD
$491 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$984 CAD
$703 USD
View
Price last confirmed 19 days ago
Retailer 11
-
$1,040 CAD
$743 USD
View
Price last confirmed 13 days ago
Retailer 12
-
$1,060 CAD
$757 USD
View
Price last confirmed 14 days ago
Retailer 13
-
$1,302 CAD
$930 USD
View
Price last confirmed 7 days ago
Retailer 14
-
$1,447 CAD
£814 GBP
View
Price last confirmed 14 days ago
Retailer 15
-
$1,565 CAD
$1,118 USD
View
Price last confirmed 13 days ago
Most Expensive
Flawless Fine Jewelry
FDCB68AA5 · Oct 16
$1,600 CAD
£900 GBP
View
Price last confirmed 13 days ago
15 more retailers have this diamond

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.

1.31ct Marquise
$246 CAD