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Cushion|Lab Grown|IGI

4.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG806606542

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG806606542

Diamond specifications and retailer prices

From $17,476 CAD
$12,506 USD
As of November 2, 2026
Save $43,020 CAD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $60,496 CAD at Brilliance · As of November 3, 2026
View at Brilliance

About this 4.5ct lab-grown cushion diamond

This 4.5ct 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 LG806606542 or 806606542. Listed at 17 retailers as of November 2, 2026, with prices from $17,476 to $60,496, a $43,020 spread on the same certified stone. Brilliance lists it at $60,496. 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

4.50
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806606542
Dimensions12.07 × 8.62 × 5.60 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
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
12.07 mm8.62 mm4.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806606542
Side View
Table 58.0%Crown 32.4°Girdle: MED-THKPavilion 33.8°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $60,496 CAD|Low: $15,125 CAD|High: $160,388 CAD|Avg: $51,190 CAD|-0.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 15$16,461 CAD
Retailer 6$17,476 CAD
Retailer 10$21,732 CAD
Retailer 3$22,915 CAD
Retailer 12$23,489 CAD
Retailer 17$23,735 CAD
Retailer 2$28,631 CAD
Retailer 16$35,256 CAD
Retailer 4$37,524 CAD
Retailer 13$41,153 CAD
Retailer 11$51,464 CAD
Retailer 14$55,768 CAD
Brilliance$60,496 CAD
Retailer 7$65,099 CAD
Retailer 9$65,314 CAD
Retailer 5$69,171 CAD
Retailer 18$87,016 CAD
Retailer 8$91,669 CAD
Retailer 19$160,388 CAD

33 data points across 19 retailers

17 retailers$17,476 CAD to $60,496 CAD

Retailer 1
-
$16,461 CAD
$11,780 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$17,476 CAD
$12,506 USD
View
B+
Retailer 3
-
$22,915 CAD
$16,398 USD
View
Final sale: no returns
B+
Retailer 4
-
$23,489 CAD
$16,809 USD
View
Retailer 5
-
$23,735 CAD
$16,985 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$28,631 CAD
£16,133 GBP
View
B
Retailer 7
-
$35,256 CAD
$25,230 USD
View
B
Retailer 8
-
$37,524 CAD
£21,144 GBP
View
B
Retailer 9
-
$41,153 CAD
£23,189 GBP
View
B
Retailer 10
-
$55,768 CAD
ZAR 644,727 ZAR
View
Most Expensive
B
Brilliance
D44583559 · Nov 3
$60,496 CAD
$43,292 USD
View
10 more retailers have this diamond
Prices start from $17,476 CADSave up to $43,020 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.

B+
4.50ct Cushion
$17,476 CAD