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Cushion|Lab Grown|IGI

4.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784644559

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784644559

Diamond specifications and retailer prices

From $6,371 CAD
$4,559 USD
As of November 2, 2026
Save $34,224 CAD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $40,594 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG784644559 or 784644559. Listed at 9 retailers as of November 2, 2026, with prices from $6,371 to $40,594, a $34,224 spread on the same certified stone. Do Amore Diamonds lists it at $40,594. 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 angle32.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644559
Dimensions11.26 × 8.83 × 5.68 mm
L/W Ratio1.28
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
11.26 mm8.83 mm4.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644559
Side View
Table 60.0%Crown 32.6°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
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: $40,594 CAD|Low: $6,371 CAD|High: $52,081 CAD|Avg: $20,912 CAD|-22.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$6,371 CAD
Retailer 9$6,910 CAD
Retailer 8$8,228 CAD
Retailer 11$9,592 CAD
Retailer 5$10,595 CAD
Retailer 2$13,040 CAD
Retailer 4$15,644 CAD
Retailer 7$18,278 CAD
Retailer 10$18,862 CAD
Do Amore Diamonds$40,594 CAD
Retailer 3$50,567 CAD

29 data points across 11 retailers

9 retailers$6,371 CAD to $40,594 CAD

A
Cheapest Retailer
-
$6,371 CAD
$4,559 USD
A
Retailer 2
-
$6,910 CAD
$4,945 USD
View
A
Retailer 3
-
$8,228 CAD
$5,888 USD
View
A
Retailer 4
-
$10,595 CAD
$7,582 USD
View
A
Retailer 5
-
$13,040 CAD
€8,887 EUR
View
B+
Retailer 6
-
$15,644 CAD
£8,815 GBP
View
B+
Retailer 7
-
$18,278 CAD
$13,080 USD
View
B+
Retailer 8
-
$18,862 CAD
$13,498 USD
View
Most Expensive
B
Do Amore Diamonds
27-62F0B1CD6 · Nov 2
$40,594 CAD
$29,050 USD
View
8 more retailers have this diamond
Prices start from $6,371 CADSave up to $34,224 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
4.50ct Cushion
$6,371 CAD