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Marquise|Lab Grown|IGI

4.01ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG754552630

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754552630

Diamond specifications and retailer prices

From $1,473 NZD
$830 USD
As of November 1, 2026
Save $9,280 NZD (86%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $10,752 NZD at Brilliant Earth · As of October 31, 2026
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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754552630 or 754552630. Listed at 2 retailers as of October 31, 2026, with prices from $1,473 to $10,752, a $9,280 spread on the same certified stone. Brilliant Earth lists it at $10,752. 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

4.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754552630
Dimensions15.36 × 8.21 × 5.24 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.36 mm8.21 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754552630
Side View
Table 59.0%Crown 36.1°Girdle: THK-VTKPavilion 39.7°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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: Nov 1
Current: $10,752 NZD|Low: $1,354 NZD|High: $11,072 NZD|Avg: $3,257 NZD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8$1,354 NZD
Retailer 2$1,473 NZD
Retailer 3$1,632 NZD
Retailer 5$1,728 NZD
Retailer 7$1,975 NZD
Retailer 6$3,334 NZD
Retailer 4$3,644 NZD
Brilliant Earth$10,752 NZD

2 data points across 8 retailers

2 retailers$1,473 NZD to $10,752 NZD

B+
Cheapest Retailer
-
$1,473 NZD
$830 USD
Most Expensive
B
Brilliant Earth
16806755A · Oct 31
$10,752 NZD
$6,060 USD
View
1 more retailer has this diamond
Prices start from $1,473 NZDSave up to $9,280 NZD

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
$1,473 NZD