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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 $695 AUD
£384 GBP
As of October 27, 2026
Save $2,357 AUD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,527 AUD 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 25, 2026, with a 339% 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
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: $4,527 AUD|Low: $651 AUD|High: $8,527 AUD|Avg: $1,874 AUD|-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 30, 2026
Retailer 5$669 AUD
Retailer 13$695 AUD
Retailer 10$747 AUD
Retailer 18$749 AUD
Retailer 7$830 AUD
Retailer 2$893 AUD
Retailer 16$1,032 AUD
Retailer 11$1,220 AUD
Retailer 3$1,297 AUD
Retailer 9$1,307 AUD
Retailer 14$1,367 AUD
Retailer 12$1,849 AUD
Retailer 17$1,936 AUD
Retailer 4$1,975 AUD
Retailer 6$2,633 AUD
Retailer 8$2,666 AUD
Retailer 15$3,052 AUD
Brilliant Earth$4,527 AUD

30 data points across 18 retailers

17 retailers$695 AUD to $3,052 AUD

A
Retailer 1
-
$669 AUD
$470 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$695 AUD
£384 GBP
View
A
Retailer 3
-
$749 AUD
$526 USD
View
A
Retailer 4
-
$830 AUD
$583 USD
View
A
Retailer 5
-
$893 AUD
HK$4,900 HKD
View
A
Retailer 6
-
$1,032 AUD
$725 USD
View
B+
Retailer 7
-
$1,220 AUD
€816 EUR
View
B+
Retailer 8
-
$1,297 AUD
$911 USD
View
B+
Retailer 9
-
$1,307 AUD
$918 USD
View
B+
Retailer 10
-
$1,367 AUD
£756 GBP
View
B+
Retailer 11
-
$1,849 AUD
View
B
Retailer 12
-
$1,936 AUD
$1,360 USD
View
B
Retailer 13
-
$1,975 AUD
$1,387 USD
View
B
Retailer 14
-
$2,633 AUD
SGD 2,499 SGD
View
B
Retailer 15
-
$2,666 AUD
$1,873 USD
View
B
Retailer 16
-
$3,052 AUD
£1,688 GBP
View
Most Expensive
Brilliant Earth
14415065A · Oct 30
$4,527 AUD
$3,180 USD
View
Price under review
16 more retailers have this diamond
Prices start from $695 AUDSave up to $2,357 AUD

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
$695 AUD