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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 $470 USD
As of October 23, 2026
Save $1,674 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,990 USD at Brilliant Earth · As of October 29, 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 18 retailers as of October 23, 2026, with a 356% 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
Color
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 23
Current: $5,990 USD|Low: $457 USD|High: $5,990 USD|Avg: $1,321 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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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 29, 2026
Retailer 5$470 USD
Retailer 12$488 USD
Retailer 10$525 USD
Retailer 17$526 USD
Retailer 7$583 USD
Retailer 3$640 USD
Retailer 15$725 USD
Retailer 2$857 USD
Retailer 18$911 USD
Retailer 9$918 USD
Retailer 13$961 USD
Retailer 11$1,299 USD
Retailer 16$1,360 USD
Retailer 4$1,387 USD
Retailer 6$1,849 USD
Retailer 8$1,873 USD
Retailer 14$2,144 USD
Brilliant Earth$5,990 USD

30 data points across 18 retailers

18 retailers$470 USD to $2,144 USD

A
Cheapest Retailer
-
$470 USD
A
Retailer 2
-
$488 USD
£384 GBP
View
A
Retailer 3
-
$525 USD
View
Final sale: no returns
A
Retailer 4
-
$526 USD
View
A
Retailer 5
-
$583 USD
View
A
Retailer 6
-
$640 USD
HK$5,000 HKD
View
A
Retailer 7
-
$725 USD
View
A
Retailer 8
-
$857 USD
€816 EUR
View
B+
Retailer 9
-
$911 USD
View
B+
Retailer 10
-
$918 USD
View
B+
Retailer 11
-
$961 USD
£756 GBP
View
B+
Retailer 12
-
$1,299 USD
A$1,998 AUD
View
B+
Retailer 13
-
$1,360 USD
View
B+
Retailer 14
-
$1,387 USD
View
B
Retailer 15
-
$1,849 USD
SGD 2,499 SGD
View
B
Retailer 16
-
$1,873 USD
View
B
Retailer 17
-
$2,144 USD
£1,688 GBP
View
Most Expensive
Brilliant Earth
14415065A · Oct 29
$5,990 USD
View
Price under review
17 more retailers have this diamond
Prices start from $470 USDSave up to $1,674 USD

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
$470 USD