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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 HK$3,837 HKD
£385 GBP
As of October 27, 2026
Save HK$21,113 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$24,949 HKD 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 HK$3,837 to HK$24,949, a HK$21,113 spread on the same certified stone. Brilliant Earth lists it at HK$24,949. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: HK$24,949 HKD|Low: HK$3,593 HKD|High: HK$47,074 HKD|Avg: HK$10,403 HKD|-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 4HK$3,695 HKD
Retailer 13HK$3,837 HKD
Retailer 10HK$4,127 HKD
Retailer 18HK$4,135 HKD
Retailer 5HK$4,582 HKD
Retailer 11HK$4,921 HKD
Retailer 17HK$5,688 HKD
Retailer 12HK$6,739 HKD
Retailer 7HK$7,163 HKD
Retailer 9HK$7,210 HKD
Retailer 14HK$7,555 HKD
Retailer 16HK$10,291 HKD
Retailer 6HK$10,694 HKD
Retailer 8HK$10,937 HKD
Retailer 2HK$14,329 HKD
Retailer 3HK$14,726 HKD
Retailer 15HK$16,849 HKD
Brilliant EarthHK$24,949 HKD

29 data points across 18 retailers

17 retailersHK$3,837 HKD to HK$24,949 HKD

Retailer 1
-
HK$3,695 HKD
$471 USD
Price last confirmed 8 days ago
A
Retailer 2
-
HK$3,837 HKD
£385 GBP
View
A
Retailer 3
-
HK$4,135 HKD
$527 USD
View
A
Retailer 4
-
HK$4,582 HKD
$584 USD
View
A
Retailer 5
-
HK$4,921 HKD
View
A
Retailer 6
-
HK$5,688 HKD
$725 USD
View
B+
Retailer 7
-
HK$6,739 HKD
€818 EUR
View
B+
Retailer 8
-
HK$7,163 HKD
$913 USD
View
B+
Retailer 9
-
HK$7,210 HKD
$919 USD
View
B+
Retailer 10
-
HK$7,555 HKD
£758 GBP
View
B+
Retailer 11
-
HK$10,291 HKD
A$2,018 AUD
View
B
Retailer 12
-
HK$10,694 HKD
$1,363 USD
View
B
Retailer 13
-
HK$10,937 HKD
$1,394 USD
View
B
Retailer 14
-
HK$14,329 HKD
SGD 2,468 SGD
View
B
Retailer 15
-
HK$14,726 HKD
$1,877 USD
View
B
Retailer 16
-
HK$16,849 HKD
£1,691 GBP
View
Most Expensive
B
Brilliant Earth
14415188A · Oct 30
HK$24,949 HKD
$3,180 USD
View
16 more retailers have this diamond
Prices start from HK$3,837 HKDSave up to HK$21,113 HKD

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
HK$3,837 HKD