CaratHunter
Plans
Cushion|Lab Grown|IGI

4.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG743599835

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG743599835

Diamond specifications and retailer prices

From HK$3,590 HKD
£360 GBP
As of October 27, 2026
Save HK$21,359 HKD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$24,949 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct lab-grown cushion 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 LG743599835 or 743599835. Listed at 14 retailers as of October 27, 2026, with prices from HK$3,590 to HK$24,949, a HK$21,359 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 angle32.7°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743599835
Dimensions9.03 × 8.73 × 5.56 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
9.03 mm8.73 mm4.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743599835
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 31.7°Culet: NoneDepth 63.7%

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$3,577 HKD|High: HK$24,949 HKD|Avg: HK$10,252 HKD
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
October 31, 2026
Retailer 11HK$3,590 HKD
Retailer 6HK$3,868 HKD
Retailer 8HK$4,620 HKD
Retailer 14HK$5,100 HKD
Retailer 7HK$6,483 HKD
Retailer 3HK$6,724 HKD
Retailer 5HK$6,943 HKD
Retailer 12HK$7,041 HKD
Retailer 2HK$10,176 HKD
Retailer 4HK$10,851 HKD
Retailer 10HK$13,411 HKD
Retailer 13HK$15,763 HKD
Retailer 9HK$18,084 HKD
Brilliant EarthHK$24,949 HKD

40 data points across 14 retailers

14 retailersHK$3,590 HKD to HK$24,949 HKD

A
Cheapest Retailer
-
HK$3,590 HKD
£360 GBP
A
Retailer 2
-
HK$4,620 HKD
View
A
Retailer 3
-
HK$5,100 HKD
$650 USD
View
A
Retailer 4
-
HK$6,483 HKD
€787 EUR
View
B+
Retailer 5
-
HK$6,724 HKD
$857 USD
View
A
Retailer 6
-
HK$6,943 HKD
$885 USD
View
A
Retailer 7
-
HK$7,041 HKD
£707 GBP
View
B+
Retailer 8
-
HK$10,176 HKD
$1,297 USD
View
B+
Retailer 9
-
HK$10,851 HKD
$1,383 USD
View
B+
Retailer 10
-
HK$13,411 HKD
SGD 2,310 SGD
View
B+
Retailer 11
-
HK$15,763 HKD
£1,582 GBP
View
B+
Retailer 12
-
HK$18,084 HKD
$2,305 USD
View
B
Retailer 13
-
HK$18,163 HKD
$2,315 USD
View
Most Expensive
B
Brilliant Earth
16748012A · Oct 29
HK$24,949 HKD
$3,180 USD
View
13 more retailers have this diamond
Prices start from HK$3,590 HKDSave up to HK$21,359 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 Cushion
HK$3,590 HKD