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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 $17,834 SGD
$13,950 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $17,834 SGD 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 31, 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $17,834 SGD|Low: $6,576 SGD|High: $39,666 SGD|Avg: $18,231 SGD|-7.9%
Brilliant Earth
Retailer 2
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Retailer 13
October 24, 2026
Retailer 2$6,576 SGD
Retailer 3$10,269 SGD
Retailer 12$10,433 SGD
Retailer 10$10,438 SGD
Retailer 11$10,947 SGD
Retailer 7$11,749 SGD
Retailer 4$14,207 SGD
Retailer 8$14,294 SGD
Brilliant Earth$17,834 SGD
Retailer 6$19,268 SGD
Retailer 13$21,145 SGD
Retailer 9$31,496 SGD
Retailer 5$39,666 SGD

50 data points across 13 retailers

1 retailer

B+
Brilliant Earth
11803590AB · Oct 31
$17,834 SGD
$13,950 USD
View

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+
4.01ct Marquise
$17,834 SGD