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Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG840634486

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840634486

Diamond specifications and retailer prices

From $759 CAD
$542 USD
As of October 28, 2026
Save $3,860 CAD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,619 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG840634486 or 840634486. Listed at 15 retailers as of October 28, 2026, with prices from $759 to $4,619, a $3,860 spread on the same certified stone. Brilliant Earth lists it at $4,619. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634486
Dimensions8.25 × 5.55 × 3.85 mm
L/W Ratio1.49
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
8.25 mm5.55 mm1.45 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634486
Side View
Table 59.0%Crown 34.5°Girdle: STK-VTKPavilion 35.3°Culet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $4,619 CAD|Low: $759 CAD|High: $4,759 CAD|Avg: $2,169 CAD|-2.9%
Brilliant Earth
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
October 30, 2026
Retailer 15$759 CAD
Retailer 2$835 CAD
Retailer 3$1,135 CAD
Retailer 12$1,225 CAD
Retailer 4$1,265 CAD
Retailer 8$1,340 CAD
Retailer 9$1,356 CAD
Retailer 11$1,389 CAD
Retailer 13$1,589 CAD
Retailer 14$2,641 CAD
Retailer 5$2,800 CAD
Retailer 10$2,984 CAD
Retailer 6$3,107 CAD
Retailer 7$3,954 CAD
Brilliant Earth$4,619 CAD

12 data points across 15 retailers

15 retailers$759 CAD to $4,619 CAD

A
Cheapest Retailer
-
$759 CAD
$542 USD
Final sale: no returns
A
Retailer 2
-
$835 CAD
£470 GBP
View
A
Retailer 3
-
$1,135 CAD
$811 USD
View
A
Retailer 4
-
$1,225 CAD
$875 USD
View
A
Retailer 5
-
$1,265 CAD
$904 USD
View
A
Retailer 6
-
$1,340 CAD
£754 GBP
View
A
Retailer 7
-
$1,356 CAD
€923 EUR
View
A
Retailer 8
-
$1,389 CAD
ZAR 16,034 ZAR
View
A
Retailer 9
-
$1,589 CAD
$1,135 USD
View
B+
Retailer 10
-
$2,641 CAD
$1,887 USD
View
B
Retailer 11
-
$2,800 CAD
SGD 2,703 SGD
View
B
Retailer 12
-
$2,984 CAD
£1,679 GBP
View
Retailer 13
-
$3,107 CAD
$2,220 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$3,954 CAD
$2,825 USD
View
Most Expensive
B
Brilliant Earth
21861654A · Oct 29
$4,619 CAD
$3,300 USD
View
14 more retailers have this diamond
Prices start from $759 CADSave up to $3,860 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
1.45ct Cushion
$759 CAD