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Marquise|Lab Grown|IGI

1.31ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG785608404

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG785608404

Diamond specifications and retailer prices

From $266 USD
As of October 28, 2026
Save $685 USD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,125 USD at MOH London · As of October 21, 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 LG785608404 or 785608404. Listed at 14 retailers as of October 26, 2026, with a 258% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785608404
Dimensions5.58 × 5.58 × 3.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.58 mm5.58 mm1.31 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG785608404
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
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: Oct 28
Current: $1,125 USD|Low: $117 USD|High: $1,136 USD|Avg: $636 USD
MOH London
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
Retailer 16
October 30, 2026
Retailer 6$117 USD
Retailer 15$266 USD
Retailer 11$295 USD
Retailer 5$465 USD
Retailer 16$497 USD
Retailer 9$507 USD
Retailer 13$512 USD
Retailer 8$541 USD
Retailer 2$558 USD
Retailer 10$720 USD
Retailer 7$741 USD
Retailer 14$941 USD
Retailer 12$951 USD
Retailer 3$1,010 USD
MOH London$1,125 USD
Retailer 4$1,136 USD

15 data points across 16 retailers

14 retailers$266 USD to $951 USD

A
Cheapest Retailer
-
$266 USD
Final sale: no returns
A
Retailer 2
-
$295 USD
View
A
Retailer 3
-
$497 USD
View
A
Retailer 4
-
$507 USD
ZAR 8,187 ZAR
View
B+
Retailer 5
-
$512 USD
View
Retailer 6
-
$541 USD
A$832 AUD
View
Price last confirmed 119 days ago
B+
Retailer 7
-
$558 USD
£439 GBP
View
B+
Retailer 8
-
$720 USD
A$1,107 AUD
View
Retailer 9
-
$741 USD
View
Price last confirmed 47 days ago
B
Retailer 10
-
$941 USD
View
Retailer 11
-
$948 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$948 USD
View
B
Retailer 13
-
$951 USD
View
Most Expensive
MOH London
LG785608404 · Oct 21
$1,125 USD
£886 GBP
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $266 USDSave up to $685 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
$266 USD