Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681448

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681448

Diamond specifications and retailer prices

From $1,078 CAD
$770 USD
As of October 29, 2026
Save $4,703 CAD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,780 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 top-tier cut grade and certified by IGI LG818681448 or 818681448. Listed at 8 retailers as of October 29, 2026, with prices from $1,078 to $5,780, a $4,703 spread on the same certified stone. Brilliant Earth lists it at $5,780. 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 angle33.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681448
Dimensions7.93 × 6.13 × 3.88 mm
L/W Ratio1.29
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
7.93 mm6.13 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681448
Side View
Table 54.0%Crown 33.2°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,780 CAD|Low: $966 CAD|High: $6,004 CAD|Avg: $2,813 CAD|-3.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7$1,078 CAD
Retailer 5$1,146 CAD
Retailer 8$1,247 CAD
Retailer 2$1,298 CAD
Retailer 9$2,861 CAD
Retailer 3$2,958 CAD
Retailer 6$3,072 CAD
Retailer 4$5,193 CAD
Brilliant Earth$5,780 CAD

25 data points across 9 retailers

8 retailers$1,078 CAD to $5,780 CAD

A
Cheapest Retailer
-
$1,078 CAD
$770 USD
A
Retailer 2
-
$1,146 CAD
$819 USD
View
A
Retailer 3
-
$1,247 CAD
$891 USD
View
A
Retailer 4
-
$1,298 CAD
€883 EUR
View
B+
Retailer 5
-
$2,958 CAD
£1,664 GBP
View
B+
Retailer 6
-
$3,072 CAD
$2,195 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$5,193 CAD
$3,710 USD
View
Most Expensive
B
Brilliant Earth
21581107Y · Oct 29
$5,780 CAD
$4,130 USD
View
7 more retailers have this diamond
Prices start from $1,078 CADSave up to $4,703 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
$1,078 CAD