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Marquise|Lab Grown|IGI

1.50ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG764671141

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764671141

Diamond specifications and retailer prices

From €1,391 EUR
£1,223 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €1,391 EUR at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

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 LG764671141 or 764671141. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764671141
Dimensions11.42 × 6.17 × 3.72 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm6.17 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG764671141
Side View
Table 63.0%Crown 34°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €1,391 EUR|Low: €446 EUR|High: €14,800 EUR|Avg: €3,274 EUR
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
June 4, 2026
Retailer 6€446 EUR
Retailer 3€642 EUR
Retailer 4€819 EUR
Diamond Quarter€1,391 EUR
Retailer 2€1,647 EUR
Retailer 5€14,800 EUR

14 data points across 6 retailers

1 retailer

B
Diamond Quarter
1.5SI1ELG886B8AN · Oct 31
€1,391 EUR
£1,223 GBP
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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.

B
1.50ct Marquise
€1,391 EUR