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Marquise|Lab Grown|IGI

4.01ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG604382783

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG604382783

Diamond specifications and retailer prices

From $2,979 NZD
$1,676 USD
As of November 2, 2026
Save $7,561 NZD (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,139 NZD at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG604382783 or 604382783. Listed at 6 retailers as of November 2, 2026, with a 254% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604382783
Dimensions16.26 × 8.24 × 5.18 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.26 mm8.24 mm4.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604382783
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $13,139 NZD|Low: $2,979 NZD|High: $14,192 NZD|Avg: $7,828 NZD|+85.1%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4$2,979 NZD
Retailer 5$4,004 NZD
Retailer 6$4,550 NZD
Retailer 2$5,776 NZD
Retailer 7$6,895 NZD
Retailer 9$9,544 NZD
Retailer 10$9,544 NZD
Retailer 3$10,539 NZD
Retailer 8$10,859 NZD
Michael Trio$13,139 NZD

16 data points across 10 retailers

6 retailers$2,979 NZD to $10,539 NZD

B+
Cheapest Retailer
-
$2,979 NZD
$1,676 USD
B
Retailer 2
-
$4,004 NZD
$2,253 USD
View
B
Retailer 3
-
$4,550 NZD
HK$20,000 HKD
View
B
Retailer 4
-
$5,776 NZD
€3,095 EUR
View
B
Retailer 5
-
$10,539 NZD
$5,930 USD
View
Most Expensive
Michael Trio
1573525668 · Nov 2
$13,139 NZD
SGD 9,990 SGD
View
Price under review
5 more retailers have this diamond
Prices start from $2,979 NZDSave up to $7,561 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
$2,979 NZD