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Cushion|Lab Grown|IGI

4.54ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663140

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663140

Diamond specifications and retailer prices

From $6,151 CAD
£3,466 GBP
As of November 2, 2026
Save $41,945 CAD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $48,096 CAD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.54ct lab-grown cushion diamond

This 4.54ct 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 LG846663140 or 846663140. Listed at 9 retailers as of November 2, 2026, with prices from $6,151 to $48,096, a $41,945 spread on the same certified stone. With Clarity lists it at $48,096. 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

4.54
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663140
Dimensions10.95 × 8.62 × 5.87 mm
L/W Ratio1.27
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
10.95 mm8.62 mm4.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663140
Side View
Table 60.0%Crown 36°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 68.1%

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 2
Current: $15,842 CAD|Low: $6,151 CAD|High: $49,469 CAD|Avg: $17,146 CAD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 2, 2026
Retailer 2$6,151 CAD
Retailer 5$7,434 CAD
Retailer 6$11,192 CAD
Retailer 4$11,424 CAD
Retailer 3$15,291 CAD
Retailer 1$15,842 CAD
Retailer 7$16,994 CAD
Retailer 8$18,446 CAD
With Clarity$48,096 CAD

9 data points across 9 retailers

9 retailers$6,151 CAD to $48,096 CAD

A+
Cheapest Retailer
-
$6,151 CAD
£3,466 GBP
A
Retailer 2
-
$7,434 CAD
$5,320 USD
View
A
Retailer 3
-
$11,192 CAD
$8,009 USD
View
A
Retailer 4
-
$11,424 CAD
$8,175 USD
View
B+
Retailer 5
-
$15,291 CAD
£8,616 GBP
View
B+
Retailer 6
-
$15,842 CAD
€10,797 EUR
View
B+
Retailer 7
-
$16,994 CAD
$12,161 USD
View
B+
Retailer 8
-
$18,446 CAD
$13,200 USD
View
Most Expensive
B
With Clarity
846663140 · Nov 3
$48,096 CAD
$34,418 USD
View
8 more retailers have this diamond
Prices start from $6,151 CADSave up to $41,945 CAD

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+
4.54ct Cushion
$6,151 CAD