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 $8,563 AUD
CA$8,354 CAD
As of October 30, 2026
Save $37,794 AUD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $46,357 AUD 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 $8,563 to $46,357, a $37,794 spread on the same certified stone. With Clarity lists it at $46,357. 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: $14,317 AUD|Low: $8,831 AUD|High: $23,542 AUD|Avg: $14,923 AUD|+2.3%
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 14$9,148 AUD
Retailer 11$9,225 AUD
Retailer 2$9,256 AUD
Retailer 6$9,913 AUD
Retailer 7$10,465 AUD
Retailer 8$11,744 AUD
Retailer 4$12,996 AUD
Retailer 1$14,317 AUD
Retailer 13$15,460 AUD
Retailer 10$18,716 AUD
Retailer 9$19,471 AUD
Retailer 12$20,413 AUD
Retailer 3$23,532 AUD
Retailer 5$23,542 AUD

42 data points across 14 retailers

21 retailers$8,563 AUD to $46,357 AUD

A
Cheapest Retailer
-
$8,563 AUD
CA$8,354 CAD
Retailer 2
-
$9,148 AUD
$6,426 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$9,154 AUD
$6,430 USD
View
A
Retailer 4
-
$9,225 AUD
$6,480 USD
View
A
Retailer 5
-
$9,256 AUD
$6,502 USD
View
A
Retailer 6
-
$9,913 AUD
$6,963 USD
View
A
Retailer 7
-
$10,465 AUD
$7,351 USD
View
Final sale: no returns
A
Retailer 8
-
$11,744 AUD
£6,495 GBP
View
B+
Retailer 9
-
$12,996 AUD
£7,188 GBP
View
B+
Retailer 10
-
$14,317 AUD
€9,578 EUR
View
B+
Retailer 11
-
$15,460 AUD
$10,860 USD
View
B+
Retailer 12
-
$18,716 AUD
£10,352 GBP
View
B+
Retailer 13
-
$19,471 AUD
ZAR 220,958 ZAR
View
B+
Retailer 14
-
$20,413 AUD
$14,339 USD
View
B
Retailer 15
-
$22,308 AUD
$15,670 USD
View
Retailer 16
-
$23,532 AUD
$16,530 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
$23,542 AUD
$16,537 USD
View
B
Retailer 18
-
$24,623 AUD
$17,296 USD
View
B
Retailer 19
-
$25,445 AUD
$17,874 USD
View
B
Retailer 20
-
$32,341 AUD
$22,718 USD
View
Most Expensive
B
With Clarity
811675420 · Oct 31
$46,357 AUD
$32,563 USD
View
20 more retailers have this diamond
Prices start from $8,563 AUDSave up to $37,794 AUD

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
$8,563 AUD