Marquise|Lab Grown|IGI

1.31ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG802636296

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802636296

Diamond specifications and retailer prices

From $244 USD
As of October 28, 2026
Save $785 USD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,029 USD at MOH London · As of October 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802636296 or 802636296. Listed at 18 retailers as of October 26, 2026, with prices from $244 to $1,029, a $785 spread on the same certified stone. MOH London lists it at $1,029. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802636296
Dimensions5.66 × 5.66 × 3.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.66 mm5.66 mm1.31 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802636296
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

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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 28
Current: $1,029 USD|Low: $218 USD|High: $1,111 USD|Avg: $550 USD|-7.3%
MOH London
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 16$218 USD
Retailer 7$244 USD
Retailer 15$253 USD
Retailer 3$271 USD
Retailer 13$271 USD
Retailer 10$323 USD
Retailer 17$464 USD
Retailer 11$465 USD
Retailer 2$501 USD
Retailer 6$506 USD
Retailer 5$592 USD
Retailer 12$662 USD
Retailer 9$765 USD
Retailer 8$863 USD
Retailer 4$870 USD
Retailer 14$873 USD
MOH London$1,029 USD

35 data points across 17 retailers

18 retailers$244 USD to $1,029 USD

A
Retailer 1
-
$218 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$271 USD
View
A
Retailer 5
-
$271 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$323 USD
£254 GBP
View
A
Retailer 7
-
$464 USD
View
A
Retailer 8
-
$465 USD
ZAR 7,511 ZAR
View
A
Retailer 9
-
$490 USD
£386 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
$501 USD
£394 GBP
View
A
Retailer 11
-
$506 USD
View
B+
Retailer 12
-
$592 USD
View
B+
Retailer 13
-
$662 USD
A$1,018 AUD
View
B
Retailer 14
-
$863 USD
View
B
Retailer 15
-
$870 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$870 USD
View
B
Retailer 17
-
$873 USD
View
Most Expensive
B
MOH London
LG802636296 · Oct 26
$1,029 USD
£810 GBP
View
17 more retailers have this diamond
Prices start from $244 USDSave up to $785 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
$244 USD