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 $4,220 USD
£3,323 GBP
As of October 30, 2026
Save $17,790 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $22,010 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 29, 2026, with prices from $4,220 to $22,010, a $17,790 spread on the same certified stone. Brilliant Earth lists it at $22,010. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,220 USD|Low: $3,955 USD|High: $21,782 USD|Avg: $9,278 USD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 1$4,220 USD
Retailer 4$4,775 USD
Retailer 6$6,268 USD
Retailer 8$7,513 USD
Retailer 3$9,214 USD
Retailer 7$9,979 USD
Retailer 5$10,170 USD
Retailer 2$19,604 USD

6 data points across 8 retailers

9 retailers$4,220 USD to $22,010 USD

A
Cheapest Retailer
-
$4,220 USD
£3,323 GBP
A
Retailer 2
-
$4,775 USD
View
A
Retailer 3
-
$6,268 USD
View
A
Retailer 4
-
$7,513 USD
View
B+
Retailer 5
-
$9,214 USD
€8,775 EUR
View
B+
Retailer 6
-
$9,979 USD
View
B+
Retailer 7
-
$10,170 USD
£8,008 GBP
View
B
Retailer 8
-
$19,604 USD
View
Most Expensive
B
Brilliant Earth
22305697A · Oct 29
$22,010 USD
View
8 more retailers have this diamond
Prices start from $4,220 USDSave up to $17,790 USD

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
$4,220 USD