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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 $7,487 NZD
£3,323 GBP
As of October 30, 2026
Save $27,296 NZD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $34,783 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 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 30, 2026, with prices from $7,487 to $34,783, a $27,296 spread on the same certified stone. With Clarity lists it at $34,783. 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
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: $8,250 NZD|Low: $7,017 NZD|High: $38,648 NZD|Avg: $16,617 NZD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 6$7,487 NZD
Retailer 1$8,250 NZD
Retailer 3$11,034 NZD
Retailer 8$13,330 NZD
Retailer 4$16,232 NZD
Retailer 5$16,387 NZD
Retailer 7$18,045 NZD
Retailer 2$23,048 NZD
With Clarity$34,783 NZD

8 data points across 9 retailers

9 retailers$7,487 NZD to $34,783 NZD

A
Cheapest Retailer
-
$7,487 NZD
£3,323 GBP
A
Retailer 2
-
$8,250 NZD
$4,650 USD
View
A
Retailer 3
-
$11,034 NZD
$6,219 USD
View
A
Retailer 4
-
$13,330 NZD
$7,513 USD
View
B+
Retailer 5
-
$16,232 NZD
€8,713 EUR
View
B+
Retailer 6
-
$16,387 NZD
$9,236 USD
View
B+
Retailer 7
-
$18,045 NZD
£8,008 GBP
View
B+
Retailer 8
-
$23,048 NZD
$12,990 USD
View
Most Expensive
B
With Clarity
846663138 · Oct 31
$34,783 NZD
$19,604 USD
View
8 more retailers have this diamond
Prices start from $7,487 NZDSave up to $27,296 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
$7,487 NZD