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Radiant|Lab Grown|IGI

1.45ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG754508818

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754508818

Diamond specifications and retailer prices

From $626 CAD
HK$3,500 HKD
As of October 30, 2026
Save $2,629 CAD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,255 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508818 or 754508818. Listed at 15 retailers as of October 30, 2026, with prices from $626 to $3,255, a $2,629 spread on the same certified stone. Brilliant Earth lists it at $3,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508818
Dimensions5.57 × 5.57 × 3.68 mm
L/W Ratio1.00
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
5.57 mm5.57 mm1.45 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508818
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.1%

Caratlytics Score

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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 30
Current: $3,255 CAD|Low: $517 CAD|High: $4,247 CAD|Avg: $1,598 CAD|-23.4%
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
October 31, 2026
Retailer 12$626 CAD
Retailer 11$629 CAD
Retailer 9$735 CAD
Retailer 3$750 CAD
Retailer 2$846 CAD
Retailer 5$980 CAD
Retailer 4$1,185 CAD
Retailer 6$1,662 CAD
Retailer 7$1,779 CAD
Retailer 14$1,787 CAD
Retailer 10$1,828 CAD
Retailer 8$2,885 CAD
Retailer 13$2,987 CAD
Brilliant Earth$3,255 CAD

44 data points across 14 retailers

15 retailers$626 CAD to $3,255 CAD

A
Cheapest Retailer
-
$626 CAD
HK$3,500 HKD
A
Retailer 2
-
$629 CAD
$450 USD
View
Retailer 3
-
$735 CAD
€501 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$750 CAD
$537 USD
View
A
Retailer 5
-
$846 CAD
£477 GBP
View
A
Retailer 6
-
$980 CAD
$702 USD
View
B+
Retailer 7
-
$1,185 CAD
$848 USD
View
B+
Retailer 8
-
$1,662 CAD
$1,190 USD
View
B+
Retailer 9
-
$1,779 CAD
£1,003 GBP
View
B+
Retailer 10
-
$1,787 CAD
SGD 1,729 SGD
View
Retailer 11
-
$1,828 CAD
A$2,013 AUD
View
Price last confirmed 23 days ago
Retailer 12
-
$2,787 CAD
$1,995 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$2,885 CAD
$2,065 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$2,987 CAD
$2,138 USD
View
Most Expensive
B
Brilliant Earth
18669149Y · Oct 30
$3,255 CAD
$2,330 USD
View
14 more retailers have this diamond
Prices start from $626 CADSave up to $2,629 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 Radiant
$626 CAD