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Cushion|Lab Grown|IGI

4.04ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG826674036

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826674036

Diamond specifications and retailer prices

From HK$3,904 HKD
£392 GBP
As of October 27, 2026
Save HK$21,202 HKD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$25,106 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.04ct lab-grown cushion diamond

This 4.04ct 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 LG826674036 or 826674036. Listed at 12 retailers as of October 27, 2026, with prices from HK$3,904 to HK$25,106, a HK$21,202 spread on the same certified stone. Brilliant Earth lists it at HK$25,106. 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

4.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826674036
Dimensions11.34 × 7.89 × 5.23 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.34 mm7.89 mm4.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826674036
Side View
Table 65.0%Crown 34.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.3%

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$25,106 HKD|Low: HK$3,896 HKD|High: HK$25,106 HKD|Avg: HK$11,477 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
October 31, 2026
Retailer 10HK$3,904 HKD
Retailer 4HK$4,205 HKD
Retailer 7HK$5,021 HKD
Retailer 2HK$6,714 HKD
Retailer 9HK$7,061 HKD
Retailer 12HK$7,265 HKD
Retailer 11HK$7,695 HKD
Retailer 6HK$10,749 HKD
Retailer 13HK$11,055 HKD
Retailer 8HK$14,602 HKD
Retailer 3HK$17,148 HKD
Retailer 5HK$18,241 HKD
Brilliant EarthHK$25,106 HKD

39 data points across 13 retailers

12 retailersHK$3,904 HKD to HK$25,106 HKD

A
Cheapest Retailer
-
HK$3,904 HKD
£392 GBP
A
Retailer 2
-
HK$5,021 HKD
View
A
Retailer 3
-
HK$6,714 HKD
€815 EUR
View
A
Retailer 4
-
HK$7,061 HKD
$900 USD
View
B+
Retailer 5
-
HK$7,265 HKD
$926 USD
View
A
Retailer 6
-
HK$7,695 HKD
£772 GBP
View
B+
Retailer 7
-
HK$10,749 HKD
$1,370 USD
View
B+
Retailer 8
-
HK$11,055 HKD
$1,409 USD
View
B+
Retailer 9
-
HK$14,602 HKD
SGD 2,515 SGD
View
B+
Retailer 10
-
HK$17,148 HKD
£1,721 GBP
View
B
Retailer 11
-
HK$18,241 HKD
$2,325 USD
View
Most Expensive
B
Brilliant Earth
21003239A · Oct 29
HK$25,106 HKD
$3,200 USD
View
11 more retailers have this diamond
Prices start from HK$3,904 HKDSave up to HK$21,202 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
4.04ct Cushion
HK$3,904 HKD