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Heart|Lab Grown|IGI

4.01ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG648491452

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG648491452

Diamond specifications and retailer prices

From $866 NZD
£384 GBP
As of October 27, 2026
Save $4,777 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,642 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.01ct lab-grown heart diamond

This 4.01ct lab-grown heart 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 LG648491452 or 648491452. Listed at 17 retailers as of October 27, 2026, with prices from $866 to $5,642, a $4,777 spread on the same certified stone. Brilliant Earth lists it at $5,642. 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 angle32.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648491452
Dimensions10.40 × 10.73 × 6.42 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm10.73 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648491452
Side View
Table 55.0%Crown 32.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $5,642 NZD|Low: $811 NZD|High: $10,628 NZD|Avg: $2,336 NZD|-46.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6$834 NZD
Retailer 14$866 NZD
Retailer 10$932 NZD
Retailer 3$933 NZD
Retailer 7$1,034 NZD
Retailer 12$1,113 NZD
Retailer 17$1,286 NZD
Retailer 2$1,550 NZD
Retailer 4$1,616 NZD
Retailer 9$1,629 NZD
Retailer 15$1,704 NZD
Retailer 13$2,304 NZD
Retailer 18$2,413 NZD
Retailer 5$2,461 NZD
Retailer 11$3,240 NZD
Retailer 8$3,323 NZD
Retailer 16$3,804 NZD
Brilliant Earth$5,642 NZD

31 data points across 18 retailers

17 retailers$866 NZD to $5,642 NZD

Retailer 1
-
$834 NZD
$470 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$866 NZD
£384 GBP
View
A
Retailer 3
-
$933 NZD
$526 USD
View
A
Retailer 4
-
$1,034 NZD
$583 USD
View
A
Retailer 5
-
$1,113 NZD
HK$4,900 HKD
View
A
Retailer 6
-
$1,286 NZD
$725 USD
View
B+
Retailer 7
-
$1,550 NZD
€832 EUR
View
B+
Retailer 8
-
$1,616 NZD
$911 USD
View
B+
Retailer 9
-
$1,629 NZD
$918 USD
View
B+
Retailer 10
-
$1,704 NZD
£756 GBP
View
B+
Retailer 11
-
$2,304 NZD
A$1,998 AUD
View
B
Retailer 12
-
$2,413 NZD
$1,360 USD
View
B
Retailer 13
-
$2,461 NZD
$1,387 USD
View
B
Retailer 14
-
$3,240 NZD
SGD 2,468 SGD
View
B
Retailer 15
-
$3,323 NZD
$1,873 USD
View
B
Retailer 16
-
$3,804 NZD
£1,688 GBP
View
Most Expensive
B
Brilliant Earth
14415065A · Oct 30
$5,642 NZD
$3,180 USD
View
16 more retailers have this diamond
Prices start from $866 NZDSave up to $4,777 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.

A
4.01ct Heart
$866 NZD