Marquise|Lab Grown|IGI

4.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG655411954

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655411954

Diamond specifications and retailer prices

From €12,487 EUR
$13,950 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €12,487 EUR 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 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655411954 or 655411954. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.01
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655411954
Dimensions15.67 × 8.21 × 5.11 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.67 mm8.21 mm4.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655411954
Side View
Table 56.0%Crown 38.8°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 62.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: €12,487 EUR|Low: €4,604 EUR|High: €27,773 EUR|Avg: €12,765 EUR|-7.9%
Brilliant Earth
Retailer 2
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Retailer 13
October 24, 2026
Retailer 2€4,604 EUR
Retailer 3€7,190 EUR
Retailer 12€7,305 EUR
Retailer 10€7,308 EUR
Retailer 11€7,665 EUR
Retailer 7€8,226 EUR
Retailer 4€9,947 EUR
Retailer 8€10,008 EUR
Brilliant Earth€12,487 EUR
Retailer 6€13,491 EUR
Retailer 13€14,805 EUR
Retailer 9€22,052 EUR
Retailer 5€27,773 EUR

50 data points across 13 retailers

1 retailer

B+
Brilliant Earth
11803590AB · Oct 30
€12,487 EUR
$13,950 USD
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B+
4.01ct Marquise
€12,487 EUR