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Marquise|Lab Grown|IGI

1.50ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG761509822

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG761509822

Diamond specifications and retailer prices

From €391 EUR
As of November 6, 2026
Save €666 EUR (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,057 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761509822 or 761509822. Listed at 7 retailers as of November 2, 2026, with prices from €391 to €1,057, a €666 spread on the same certified stone. MOH London lists it at €1,057. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761509822
Dimensions11.54 × 5.99 × 3.66 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.54 mm5.99 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761509822
Side View
Table 62.0%Crown 32.7°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 61.1%

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: Nov 6
Current: €1,057 EUR|Low: €375 EUR|High: €1,058 EUR|Avg: €622 EUR|+14.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6€391 EUR
Retailer 3€402 EUR
Retailer 2€412 EUR
Retailer 4€520 EUR
Retailer 5€774 EUR
Retailer 7€784 EUR
MOH London€1,057 EUR

43 data points across 7 retailers

7 retailers€391 EUR to €1,057 EUR

B+
Cheapest Retailer
-
€391 EUR
A
Retailer 2
-
€402 EUR
View
A
Retailer 3
-
€412 EUR
View
B+
Retailer 4
-
€520 EUR
View
B
Retailer 5
-
€774 EUR
View
B
Retailer 6
-
€784 EUR
View
Most Expensive
B
MOH London
LG761509822 · Nov 2
€1,057 EUR
£934 GBP
View
6 more retailers have this diamond
Prices start from €391 EURSave up to €666 EUR

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
1.50ct Marquise
€391 EUR