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Heart|Lab Grown|IGI

4.02ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG670428266

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG670428266

Diamond specifications and retailer prices

From $625 SGD
£385 GBP
As of October 27, 2026
Save $3,440 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,065 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.02ct lab-grown heart diamond

This 4.02ct 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 LG670428266 or 670428266. Listed at 17 retailers as of October 27, 2026, with prices from $625 to $4,065, a $3,440 spread on the same certified stone. Brilliant Earth lists it at $4,065. 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

4.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670428266
Dimensions10.10 × 11.06 × 6.49 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.10 mm11.06 mm4.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670428266
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.7%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: $4,065 SGD|Low: $586 SGD|High: $7,670 SGD|Avg: $1,695 SGD|-47.0%
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 4$602 SGD
Retailer 13$625 SGD
Retailer 10$672 SGD
Retailer 18$674 SGD
Retailer 5$747 SGD
Retailer 11$802 SGD
Retailer 17$927 SGD
Retailer 12$1,098 SGD
Retailer 7$1,167 SGD
Retailer 9$1,175 SGD
Retailer 14$1,231 SGD
Retailer 16$1,677 SGD
Retailer 6$1,742 SGD
Retailer 8$1,782 SGD
Retailer 2$2,335 SGD
Retailer 3$2,400 SGD
Retailer 15$2,745 SGD
Brilliant Earth$4,065 SGD

29 data points across 18 retailers

17 retailers$625 SGD to $4,065 SGD

Retailer 1
-
$602 SGD
$471 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$625 SGD
£385 GBP
View
A
Retailer 3
-
$674 SGD
$527 USD
View
A
Retailer 4
-
$747 SGD
$584 USD
View
A
Retailer 5
-
$802 SGD
HK$4,900 HKD
View
A
Retailer 6
-
$927 SGD
$725 USD
View
B+
Retailer 7
-
$1,098 SGD
€818 EUR
View
B+
Retailer 8
-
$1,167 SGD
$913 USD
View
B+
Retailer 9
-
$1,175 SGD
$919 USD
View
B+
Retailer 10
-
$1,231 SGD
£758 GBP
View
B+
Retailer 11
-
$1,677 SGD
A$2,018 AUD
View
B
Retailer 12
-
$1,742 SGD
$1,363 USD
View
B
Retailer 13
-
$1,782 SGD
$1,394 USD
View
B
Retailer 14
-
$2,335 SGD
View
B
Retailer 15
-
$2,400 SGD
$1,877 USD
View
B
Retailer 16
-
$2,745 SGD
£1,691 GBP
View
Most Expensive
B
Brilliant Earth
14415188A · Oct 30
$4,065 SGD
$3,180 USD
View
16 more retailers have this diamond
Prices start from $625 SGDSave up to $3,440 SGD

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
4.02ct Heart
$625 SGD