Marquise|Lab Grown|IGI

1.31ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG807673889

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807673889

Diamond specifications and retailer prices

From $378 USD
As of October 30, 2026
Save $750 USD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,128 USD at MOH London · As of October 29, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807673889 or 807673889. Listed at 6 retailers as of October 29, 2026, with prices from $378 to $1,128, a $750 spread on the same certified stone. MOH London lists it at $1,128. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807673889
Dimensions11.85 × 5.65 × 3.34 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.85 mm5.65 mm1.31 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807673889
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 59.1%

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: Oct 30
Current: $1,128 USD|Low: $378 USD|High: $1,135 USD|Avg: $633 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$378 USD
Retailer 5$473 USD
Retailer 6$511 USD
Retailer 2$518 USD
Retailer 4$525 USD
Retailer 7$953 USD
MOH London$1,128 USD

41 data points across 7 retailers

6 retailers$378 USD to $1,128 USD

B+
Cheapest Retailer
-
$378 USD
A
Retailer 2
-
$511 USD
View
A
Retailer 3
-
$518 USD
£408 GBP
View
A
Retailer 4
-
$525 USD
View
B
Retailer 5
-
$953 USD
View
Most Expensive
B
MOH London
LG807673889 · Oct 29
$1,128 USD
£888 GBP
View
5 more retailers have this diamond
Prices start from $378 USDSave up to $750 USD

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
$378 USD