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Cushion|Lab Grown|IGI

4.19ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663138

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663138

Diamond specifications and retailer prices

From HK$30,028 HKD
£3,014 GBP
As of November 1, 2026
Save HK$123,779 HKD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$153,807 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.19ct lab-grown cushion diamond

This 4.19ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663138 or 846663138. Listed at 9 retailers as of October 31, 2026, with prices from HK$30,028 to HK$153,807, a HK$123,779 spread on the same certified stone. With Clarity lists it at HK$153,807. 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

4.19
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663138
Dimensions11.12 × 8.22 × 5.76 mm
L/W Ratio1.35
Girdle conditionFaceted
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
11.12 mm8.22 mm4.19 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663138
Side View
Table 60.0%Crown 33.7°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 70.1%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: HK$77,221 HKD|Low: HK$30,028 HKD|High: HK$170,895 HKD|Avg: HK$73,342 HKD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 3HK$30,028 HKD
Retailer 4HK$36,483 HKD
Retailer 6HK$48,792 HKD
Retailer 2HK$55,838 HKD
Retailer 7HK$71,778 HKD
Retailer 8HK$72,463 HKD
Retailer 1HK$77,221 HKD
Retailer 5HK$101,916 HKD
With ClarityHK$153,807 HKD

8 data points across 9 retailers

9 retailersHK$30,028 HKD to HK$153,807 HKD

A+
Cheapest Retailer
-
HK$30,028 HKD
£3,014 GBP
A
Retailer 2
-
HK$36,483 HKD
$4,650 USD
View
A
Retailer 3
-
HK$48,792 HKD
$6,219 USD
View
A
Retailer 4
-
HK$55,838 HKD
$7,117 USD
View
B+
Retailer 5
-
HK$71,778 HKD
€8,713 EUR
View
B+
Retailer 6
-
HK$72,463 HKD
$9,236 USD
View
B+
Retailer 7
-
HK$77,221 HKD
£7,750 GBP
View
B+
Retailer 8
-
HK$101,916 HKD
$12,990 USD
View
Most Expensive
B
With Clarity
846663138 · Oct 31
HK$153,807 HKD
$19,604 USD
View
8 more retailers have this diamond
Prices start from HK$30,028 HKDSave up to HK$123,779 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+
4.19ct Cushion
HK$30,028 HKD