Cushion|Lab Grown|IGI

4.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG804605053

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804605053

Diamond specifications and retailer prices

From HK$42,500 HKD
$5,417 USD
As of October 30, 2026
Save HK$87,370 HKD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$129,870 HKD at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG804605053 or 804605053. Listed at 7 retailers as of October 30, 2026, with prices from HK$42,500 to HK$129,870, a HK$87,370 spread on the same certified stone. Riddles Jewelry lists it at HK$129,870. 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

4.01
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804605053
Dimensions10.82 × 8.61 × 5.52 mm
L/W Ratio1.26
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm8.61 mm4.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804605053
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 64.1%

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 30
Current: HK$81,556 HKD|Low: HK$33,321 HKD|High: HK$239,616 HKD|Avg: HK$91,527 HKD|+15.0%
Retailer 1
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
Riddles Jewelry
October 4, 2026
Retailer 10HK$42,500 HKD
Retailer 9HK$45,165 HKD
Retailer 13HK$46,768 HKD
Retailer 8HK$47,835 HKD
Retailer 3HK$50,660 HKD
Retailer 15HK$50,683 HKD
Retailer 14HK$61,541 HKD
Retailer 16HK$63,610 HKD
Retailer 2HK$73,417 HKD
Retailer 1HK$81,556 HKD
Retailer 5HK$89,402 HKD
Retailer 12HK$117,662 HKD
Retailer 11HK$124,171 HKD
Riddles JewelryHK$129,870 HKD
Retailer 6HK$134,415 HKD
Retailer 7HK$172,107 HKD
Retailer 4HK$239,616 HKD

7 data points across 17 retailers

7 retailersHK$42,500 HKD to HK$129,870 HKD

A
Cheapest Retailer
-
HK$42,500 HKD
$5,417 USD
A
Retailer 2
-
HK$45,165 HKD
CA$7,995 CAD
View
A
Retailer 3
-
HK$46,768 HKD
$5,961 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$81,556 HKD
$10,395 USD
View
B
Retailer 5
-
HK$117,662 HKD
$14,997 USD
View
B
Retailer 6
-
HK$124,171 HKD
$15,827 USD
View
Most Expensive
B
Riddles Jewelry
1976264185 · Oct 31
HK$129,870 HKD
$16,553 USD
View
6 more retailers have this diamond
Prices start from HK$42,500 HKDSave up to HK$87,370 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
4.01ct Cushion
HK$42,500 HKD