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Marquise|Lab Grown|IGI

3.01ct G SI1 Marquise Lab Grown Diamond

VG • G/SI1 • IGI LG840612452

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840612452

Diamond specifications and retailer prices

From €329 EUR
$368 USD
As of October 31, 2026
Save €1,640 EUR (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,969 EUR at Brilliant Earth · As of October 31, 2026
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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG840612452 or 840612452. Listed at 3 retailers as of October 31, 2026, with prices from €329 to €1,969, a €1,640 spread on the same certified stone. Brilliant Earth lists it at €1,969. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.01
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612452
Dimensions15.42 × 7.35 × 4.67 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.42 mm7.35 mm3.01 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612452
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €1,969 EUR|Low: €329 EUR|High: €3,509 EUR|Avg: €1,658 EUR|-43.9%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€329 EUR
Retailer 2€675 EUR
Brilliant Earth€1,969 EUR

27 data points across 3 retailers

3 retailers€329 EUR to €1,969 EUR

A
Cheapest Retailer
-
€329 EUR
$368 USD
Final sale: no returns
A
Retailer 2
-
€675 EUR
£594 GBP
View
Most Expensive
B
Brilliant Earth
21623150A · Oct 31
€1,969 EUR
$2,200 USD
View
2 more retailers have this diamond
Prices start from €329 EURSave up to €1,640 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
3.01ct Marquise
€329 EUR