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Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846658009

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846658009

Diamond specifications and retailer prices

From $5,625 CAD
£3,165 GBP
As of October 29, 2026
Save $34,565 CAD (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $40,190 CAD at With Clarity · As of October 28, 2026
View at With Clarity

About this 4.26ct lab-grown cushion diamond

This 4.26ct 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 LG846658009 or 846658009. Listed at 9 retailers as of October 28, 2026, with prices from $5,625 to $40,190, a $34,565 spread on the same certified stone. With Clarity lists it at $40,190. 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

4.26
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846658009
Dimensions10.34 × 8.63 × 5.83 mm
L/W Ratio1.20
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
10.34 mm8.63 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846658009
Side View
Table 60.0%Crown 36.8°Girdle: STK-THKPavilion 35.3°Culet: NoneDepth 67.6%

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: Oct 29
Current: $13,110 CAD|Low: $5,623 CAD|High: $41,326 CAD|Avg: $14,634 CAD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 29, 2026
Retailer 4$5,625 CAD
Retailer 2$6,788 CAD
Retailer 5$9,027 CAD
Retailer 7$10,680 CAD
Retailer 1$13,110 CAD
Retailer 3$13,976 CAD
Retailer 6$14,199 CAD
With Clarity$40,190 CAD

5 data points across 8 retailers

9 retailers$5,625 CAD to $40,190 CAD

A+
Cheapest Retailer
-
$5,625 CAD
£3,165 GBP
A
Retailer 2
-
$6,788 CAD
$4,850 USD
View
A
Retailer 3
-
$9,027 CAD
$6,450 USD
View
A
Retailer 4
-
$10,680 CAD
$7,631 USD
View
A
Retailer 5
-
$13,110 CAD
€8,921 EUR
View
B+
Retailer 6
-
$13,976 CAD
£7,863 GBP
View
B+
Retailer 7
-
$14,199 CAD
$10,145 USD
View
B
Retailer 8
-
$31,309 CAD
$22,370 USD
View
Most Expensive
B
With Clarity
846658009 · Oct 28
$40,190 CAD
$28,715 USD
View
8 more retailers have this diamond
Prices start from $5,625 CADSave up to $34,565 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+
4.26ct Cushion
$5,625 CAD