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Marquise|Lab Grown|IGI

3.01ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG593381124

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG593381124

Diamond specifications and retailer prices

From $3,280 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $3,280 USD at Brilliant Earth
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 Brilliant Earth

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG593381124 or 593381124. Listed at a single retailer as of October 28, 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

3.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593381124
Dimensions14.44 × 7.19 × 4.71 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.44 mm7.19 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593381124
Side View
Table 58.0%Crown 38.1°Girdle: ThickPavilion 39°Culet: NoneDepth 65.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $3,280 USD|Low: $2,032 USD|High: $3,280 USD|Avg: $2,860 USD
Brilliant Earth
Retailer 2
Retailer 3
December 26, 2025
Retailer 2$2,032 USD
Retailer 3$2,851 USD
Brilliant Earth$3,280 USD

4 data points across 3 retailers

1 retailer

B
Brilliant Earth
16564534B · Oct 28
$3,280 USD
View

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B
3.01ct Marquise
$3,280 USD