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Cushion|Lab Grown|IGI

4.06ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG797642803

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797642803

Diamond specifications and retailer prices

From HK$56,450 HKD
$7,195 USD
As of October 31, 2026
Save HK$65,472 HKD (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$121,922 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797642803 or 797642803. Listed at 5 retailers as of October 31, 2026, with prices from HK$56,450 to HK$121,922, a HK$65,472 spread on the same certified stone. Brilliant Earth lists it at HK$121,922. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.06
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797642803
Dimensions12.12 × 7.57 × 5.22 mm
L/W Ratio1.60
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.12 mm7.57 mm4.06 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797642803
Side View
Table 63.0%Crown 39.1°Girdle: MED-THKPavilion 36°Culet: NoneDepth 69.0%

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 31
Current: HK$121,922 HKD|Low: HK$56,450 HKD|High: HK$125,688 HKD|Avg: HK$88,976 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4HK$56,450 HKD
Retailer 3HK$70,376 HKD
Retailer 2HK$80,452 HKD
Retailer 5HK$117,976 HKD
Brilliant EarthHK$121,922 HKD

23 data points across 5 retailers

5 retailersHK$56,450 HKD to HK$121,922 HKD

A
Cheapest Retailer
-
HK$56,450 HKD
$7,195 USD
Retailer 2
-
HK$70,376 HKD
$8,970 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
HK$80,452 HKD
€9,766 EUR
View
B
Retailer 4
-
HK$117,976 HKD
$15,037 USD
View
Most Expensive
B
Brilliant Earth
20141434A · Oct 31
HK$121,922 HKD
$15,540 USD
View
4 more retailers have this diamond
Prices start from HK$56,450 HKDSave up to HK$65,472 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
4.06ct Cushion
HK$56,450 HKD