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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 $10,672 NZD
CA$8,354 CAD
As of October 30, 2026
Save $47,105 NZD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $57,777 NZD 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 $10,672 to $57,777, a $47,105 spread on the same certified stone. With Clarity lists it at $57,777. 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: $14,636 NZD|Low: $8,538 NZD|High: $29,342 NZD|Avg: $18,581 NZD|+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 30, 2026
Retailer 8$11,006 NZD
Retailer 14$11,402 NZD
Retailer 11$11,497 NZD
Retailer 2$11,536 NZD
Retailer 6$12,354 NZD
Retailer 1$14,636 NZD
Retailer 4$16,197 NZD
Retailer 9$17,971 NZD
Retailer 13$19,269 NZD
Retailer 10$23,327 NZD
Retailer 7$24,268 NZD
Retailer 12$25,442 NZD
Retailer 3$29,329 NZD
Retailer 5$29,342 NZD

41 data points across 14 retailers

21 retailers$10,672 NZD to $57,777 NZD

A
Cheapest Retailer
-
$10,672 NZD
CA$8,354 CAD
A
Retailer 2
-
$11,006 NZD
$6,203 USD
View
Final sale: no returns
Retailer 3
-
$11,402 NZD
$6,426 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$11,409 NZD
$6,430 USD
View
A
Retailer 5
-
$11,497 NZD
$6,480 USD
View
A
Retailer 6
-
$11,536 NZD
$6,502 USD
View
A
Retailer 7
-
$12,354 NZD
$6,963 USD
View
A
Retailer 8
-
$14,636 NZD
£6,495 GBP
View
B+
Retailer 9
-
$16,197 NZD
£7,188 GBP
View
B+
Retailer 10
-
$17,971 NZD
€9,646 EUR
View
B+
Retailer 11
-
$19,269 NZD
$10,860 USD
View
B+
Retailer 12
-
$23,327 NZD
£10,352 GBP
View
B+
Retailer 13
-
$24,268 NZD
ZAR 220,958 ZAR
View
B+
Retailer 14
-
$25,442 NZD
$14,339 USD
View
B
Retailer 15
-
$27,803 NZD
$15,670 USD
View
Retailer 16
-
$29,329 NZD
$16,530 USD
View
Price last confirmed 37 days ago
B
Retailer 17
-
$29,342 NZD
$16,537 USD
View
B
Retailer 18
-
$30,688 NZD
$17,296 USD
View
B
Retailer 19
-
$31,713 NZD
$17,874 USD
View
B
Retailer 20
-
$40,308 NZD
$22,718 USD
View
Most Expensive
B
With Clarity
811675420 · Oct 31
$57,777 NZD
$32,563 USD
View
20 more retailers have this diamond
Prices start from $10,672 NZDSave up to $47,105 NZD

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
$10,672 NZD