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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 $5,449 AUD
£3,014 GBP
As of November 1, 2026
Save $22,460 AUD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $27,908 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 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 $5,449 to $27,908, a $22,460 spread on the same certified stone. With Clarity lists it at $27,908. 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: $14,012 AUD|Low: $5,449 AUD|High: $31,009 AUD|Avg: $13,308 AUD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 3$5,449 AUD
Retailer 4$6,620 AUD
Retailer 6$8,853 AUD
Retailer 2$10,132 AUD
Retailer 7$13,024 AUD
Retailer 8$13,148 AUD
Retailer 1$14,012 AUD
Retailer 5$18,493 AUD
With Clarity$27,908 AUD

8 data points across 9 retailers

9 retailers$5,449 AUD to $27,908 AUD

A+
Cheapest Retailer
-
$5,449 AUD
£3,014 GBP
A
Retailer 2
-
$6,620 AUD
$4,650 USD
View
A
Retailer 3
-
$8,853 AUD
$6,219 USD
View
A
Retailer 4
-
$10,132 AUD
$7,117 USD
View
B+
Retailer 5
-
$13,024 AUD
€8,713 EUR
View
B+
Retailer 6
-
$13,148 AUD
$9,236 USD
View
B+
Retailer 7
-
$14,012 AUD
£7,750 GBP
View
B+
Retailer 8
-
$18,493 AUD
$12,990 USD
View
Most Expensive
B
With Clarity
846663138 · Oct 31
$27,908 AUD
$19,604 USD
View
8 more retailers have this diamond
Prices start from $5,449 AUDSave up to $22,460 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
$5,449 AUD