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Cushion|Lab Grown|IGI

4.19ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG811675420

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811675420

Diamond specifications and retailer prices

From HK$47,190 HKD
CA$8,354 CAD
As of October 30, 2026
Save HK$208,290 HKD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$255,480 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811675420 or 811675420. Listed at 21 retailers as of October 30, 2026, with prices from HK$47,190 to HK$255,480, a HK$208,290 spread on the same certified stone. With Clarity lists it at HK$255,480. 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
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811675420
Dimensions11.29 × 8.44 × 5.65 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.29 mm8.44 mm4.19 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811675420
Side View
Table 59.0%Crown 36.9°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 66.9%

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$64,721 HKD|Low: HK$37,754 HKD|High: HK$129,745 HKD|Avg: HK$82,140 HKD|+0.5%
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
October 31, 2026
Retailer 8HK$48,667 HKD
Retailer 14HK$50,416 HKD
Retailer 11HK$50,840 HKD
Retailer 2HK$51,013 HKD
Retailer 6HK$54,630 HKD
Retailer 1HK$64,721 HKD
Retailer 4HK$71,622 HKD
Retailer 9HK$79,464 HKD
Retailer 13HK$85,204 HKD
Retailer 10HK$103,148 HKD
Retailer 7HK$107,308 HKD
Retailer 12HK$112,499 HKD
Retailer 3HK$129,689 HKD
Retailer 5HK$129,745 HKD

42 data points across 14 retailers

21 retailersHK$47,190 HKD to HK$255,480 HKD

A
Cheapest Retailer
-
HK$47,190 HKD
CA$8,354 CAD
A
Retailer 2
-
HK$48,667 HKD
$6,203 USD
View
Final sale: no returns
Retailer 3
-
HK$50,416 HKD
$6,426 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$50,448 HKD
$6,430 USD
View
A
Retailer 5
-
HK$50,840 HKD
$6,480 USD
View
A
Retailer 6
-
HK$51,013 HKD
$6,502 USD
View
A
Retailer 7
-
HK$54,630 HKD
$6,963 USD
View
A
Retailer 8
-
HK$64,721 HKD
£6,495 GBP
View
B+
Retailer 9
-
HK$71,622 HKD
£7,188 GBP
View
B+
Retailer 10
-
HK$79,464 HKD
€9,646 EUR
View
B+
Retailer 11
-
HK$85,204 HKD
$10,860 USD
View
B+
Retailer 12
-
HK$103,148 HKD
£10,352 GBP
View
B+
Retailer 13
-
HK$107,308 HKD
ZAR 220,958 ZAR
View
B+
Retailer 14
-
HK$112,499 HKD
$14,339 USD
View
B
Retailer 15
-
HK$122,942 HKD
$15,670 USD
View
Retailer 16
-
HK$129,689 HKD
$16,530 USD
View
Price last confirmed 37 days ago
B
Retailer 17
-
HK$129,745 HKD
$16,537 USD
View
B
Retailer 18
-
HK$135,699 HKD
$17,296 USD
View
B
Retailer 19
-
HK$140,232 HKD
$17,874 USD
View
B
Retailer 20
-
HK$178,236 HKD
$22,718 USD
View
Most Expensive
B
With Clarity
811675420 · Oct 31
HK$255,480 HKD
$32,563 USD
View
20 more retailers have this diamond
Prices start from HK$47,190 HKDSave up to HK$208,290 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$47,190 HKD