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 $176 USD
As of October 11, 2026
16 retailers carry this diamond
Most expensive: $1,143 USD 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: $1,143 USD|Low: $197 USD|High: $1,219 USD|Avg: $692 USD|+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$197 USD
Retailer 8$276 USD
Retailer 11$373 USD
Retailer 9$383 USD
Retailer 4$388 USD
Retailer 6$403 USD
Retailer 13$491 USD
Retailer 7$743 USD
Retailer 3$757 USD
Retailer 2$930 USD
Retailer 10$1,034 USD
Retailer 5$1,118 USD
Flawless Fine Jewelry$1,143 USD

31 data points across 13 retailers

16 retailers$176 USD to $1,143 USD

Retailer 1
-
$176 USD
Price last confirmed 18 days ago
Retailer 2
-
$205 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$219 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$219 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$276 USD
£218 GBP
View
Price last confirmed 13 days ago
Retailer 6
-
$373 USD
ZAR 6,022 ZAR
View
Price last confirmed 16 days ago
Retailer 7
-
$383 USD
£301 GBP
View
Price last confirmed 13 days ago
Retailer 8
-
$388 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$491 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$703 USD
View
Price last confirmed 19 days ago
Retailer 11
-
$743 USD
View
Price last confirmed 13 days ago
Retailer 12
-
$757 USD
View
Price last confirmed 14 days ago
Retailer 13
-
$930 USD
View
Price last confirmed 7 days ago
Retailer 14
-
$1,034 USD
£814 GBP
View
Price last confirmed 14 days ago
Retailer 15
-
$1,118 USD
View
Price last confirmed 13 days ago
Most Expensive
Flawless Fine Jewelry
FDCB68AA5 · Oct 16
$1,143 USD
£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
$176 USD