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Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830624130

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG830624130

Diamond specifications and retailer prices

From $698 CAD
$497 USD
As of October 28, 2026
Save $3,895 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,593 CAD at Brilliant Earth · As of October 28, 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 top-tier cut grade and certified by IGI LG830624130 or 830624130. Listed at 15 retailers as of October 28, 2026, with prices from $698 to $4,593, a $3,895 spread on the same certified stone. Brilliant Earth lists it at $4,593. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624130
Dimensions6.35 × 6.35 × 4.34 mm
L/W Ratio1.00
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
6.35 mm6.35 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624130
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 68.3%

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 28
Current: $4,593 CAD|Low: $698 CAD|High: $5,029 CAD|Avg: $1,912 CAD|-3.8%
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 29, 2026
Retailer 15$698 CAD
Retailer 12$773 CAD
Retailer 10$1,166 CAD
Retailer 4$1,214 CAD
Retailer 2$1,218 CAD
Retailer 9$1,272 CAD
Retailer 8$1,329 CAD
Retailer 13$1,583 CAD
Retailer 5$1,870 CAD
Retailer 3$2,255 CAD
Retailer 14$2,531 CAD
Retailer 6$2,573 CAD
Retailer 11$2,844 CAD
Retailer 7$3,111 CAD
Brilliant Earth$4,593 CAD

39 data points across 15 retailers

15 retailers$698 CAD to $4,593 CAD

A+
Cheapest Retailer
-
$698 CAD
$497 USD
Final sale: no returns
A
Retailer 2
-
$773 CAD
$550 USD
View
A
Retailer 3
-
$1,166 CAD
$830 USD
View
A
Retailer 4
-
$1,214 CAD
$864 USD
View
A
Retailer 5
-
$1,218 CAD
€826 EUR
View
A
Retailer 6
-
$1,272 CAD
£713 GBP
View
A
Retailer 7
-
$1,329 CAD
ZAR 15,280 ZAR
View
A
Retailer 8
-
$1,583 CAD
$1,127 USD
View
B+
Retailer 9
-
$1,870 CAD
$1,331 USD
View
B+
Retailer 10
-
$2,255 CAD
$1,605 USD
View
B+
Retailer 11
-
$2,531 CAD
$1,802 USD
View
B+
Retailer 12
-
$2,573 CAD
SGD 2,475 SGD
View
B+
Retailer 13
-
$2,844 CAD
£1,594 GBP
View
B+
Retailer 14
-
$3,111 CAD
$2,215 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21434000A · Oct 28
$4,593 CAD
$3,270 USD
View
14 more retailers have this diamond
Prices start from $698 CADSave up to $3,895 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
$698 CAD