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Cushion|Lab Grown|GIA

4.24ct D FL Cushion Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From $48,519 CAD
$34,733 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $48,519 CAD at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

About this 4.24ct lab-grown cushion diamond

This 4.24ct 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 stated by the retailer rather than the lab and certified by GIA. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.24
Carat
D
Color
FL
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions9.60 × 9.26 × 6.23 mm
L/W Ratio1.04
Top View
9.60 mm9.26 mm4.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 60.0%CrownGirdle: Slightly Thick to ThickPavilionCulet: NoneDepth 67.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $48,519 CAD|Low: $29,203 CAD|High: $131,716 CAD|Avg: $59,660 CAD|-63.2%
Blue Nile
Retailer 2
October 29, 2026
Retailer 2$29,203 CAD
Blue Nile$48,519 CAD

2 data points across 2 retailers

1 retailer

B
Blue Nile
27429062 · Oct 29
$48,519 CAD
$34,733 USD
View

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.

B
4.24ct Cushion
$48,519 CAD