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Cushion|Lab Grown|IGI

4.06ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG844621787

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG844621787

Diamond specifications and retailer prices

From HK$48,996 HKD
$6,245 USD
As of October 29, 2026
Save HK$124,814 HKD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$173,810 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG844621787 or 844621787. Listed at 11 retailers as of October 29, 2026, with prices from HK$48,996 to HK$173,810, a HK$124,814 spread on the same certified stone. Taylor and Hart lists it at HK$173,810. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621787
Dimensions11.47 × 8.79 × 5.36 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.47 mm8.79 mm4.06 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621787
Side View
Table 54.0%Crown 35.2°Girdle: MED-STKPavilion 37.3°Culet: LargeDepth 61.0%

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 29
Current: HK$62,721 HKD|Low: HK$48,996 HKD|High: HK$173,810 HKD|Avg: HK$86,223 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 30, 2026
Retailer 6HK$48,996 HKD
Retailer 10HK$51,750 HKD
Retailer 8HK$55,885 HKD
Retailer 5HK$60,239 HKD
Retailer 1HK$62,721 HKD
Retailer 7HK$69,350 HKD
Retailer 9HK$81,093 HKD
Retailer 2HK$82,576 HKD
Retailer 3HK$100,069 HKD
Retailer 4HK$136,031 HKD
Taylor and HartHK$173,810 HKD

15 data points across 11 retailers

11 retailersHK$48,996 HKD to HK$173,810 HKD

A
Cheapest Retailer
-
HK$48,996 HKD
$6,245 USD
A
Retailer 2
-
HK$51,750 HKD
$6,596 USD
View
A
Retailer 3
-
HK$55,885 HKD
$7,123 USD
View
Final sale: no returns
A
Retailer 4
-
HK$60,239 HKD
$7,678 USD
View
A
Retailer 5
-
HK$62,721 HKD
£6,295 GBP
View
B+
Retailer 6
-
HK$69,350 HKD
£6,960 GBP
View
B+
Retailer 7
-
HK$81,093 HKD
$10,336 USD
View
B+
Retailer 8
-
HK$82,576 HKD
$10,525 USD
View
B+
Retailer 9
-
HK$100,069 HKD
£10,043 GBP
View
B
Retailer 10
-
HK$136,031 HKD
$17,338 USD
View
Most Expensive
B
Taylor and Hart
B1QY3BT · Oct 30
HK$173,810 HKD
$22,154 USD
View
10 more retailers have this diamond
Prices start from HK$48,996 HKDSave up to HK$124,814 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$48,996 HKD