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Marquise|Lab Grown|IGI

4.02ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG631468299

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG631468299

Diamond specifications and retailer prices

From €17,436 EUR
$19,480 USD
As of October 31, 2026
2 retailers carry this diamond
Only listing: €17,436 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 4.02ct lab-grown marquise diamond

This 4.02ct 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 LG631468299 or 631468299. Listed at 2 retailers as of October 31, 2026. 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

4.02
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631468299
Dimensions15.91 × 8.39 × 5.26 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
15.91 mm8.39 mm4.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631468299
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €13,382 EUR|Low: €8,541 EUR|High: €662,349 EUR|Avg: €51,685 EUR|-38.5%
Brilliant Earth
Retailer 2
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September 4, 2026
Retailer 10€8,541 EUR
Retailer 2€11,777 EUR
Retailer 14€11,995 EUR
Brilliant Earth€13,382 EUR
Retailer 11€15,791 EUR
Retailer 4€18,176 EUR
Retailer 13€20,256 EUR
Retailer 8€21,103 EUR
Retailer 6€30,597 EUR
Retailer 7€32,988 EUR
Retailer 3€36,996 EUR
Retailer 12€42,203 EUR
Retailer 5€62,871 EUR
Retailer 9€64,821 EUR

59 data points across 14 retailers

2 retailers

B+
Brilliant Earth
18396742Y · Oct 31
€17,436 EUR
$19,480 USD
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B+
4.02ct Marquise
€17,436 EUR