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Radiant|Lab Grown|IGI

1.45ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG790606540

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

Certificate IGI LG790606540

Diamond specifications and retailer prices

From $368 CAD
$263 USD
As of October 30, 2026
Save $4,181 CAD (92%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,689 CAD at Brilliant Earth · As of September 19, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790606540 or 790606540. Listed at 13 retailers as of October 29, 2026, with a 1136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606540
Dimensions7.80 × 5.64 × 3.87 mm
L/W Ratio1.38
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
7.80 mm5.64 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606540
Side View
Table 60.0%Crown 39.8°Girdle: MediumPavilion 36.5°Culet: NoneDepth 68.6%

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 30
Current: $4,549 CAD|Low: $368 CAD|High: $4,689 CAD|Avg: $2,341 CAD|-3.0%
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
Retailer 16
October 29, 2026
Retailer 10$368 CAD
Retailer 15$427 CAD
Retailer 9$721 CAD
Retailer 13$761 CAD
Retailer 12$1,404 CAD
Retailer 14$1,622 CAD
Retailer 3$1,634 CAD
Retailer 7$1,694 CAD
Retailer 8$1,701 CAD
Retailer 4$1,707 CAD
Retailer 2$2,032 CAD
Retailer 5$2,570 CAD
Retailer 11$3,275 CAD
Retailer 6$3,590 CAD
Retailer 16$4,185 CAD
Brilliant Earth$4,549 CAD

27 data points across 16 retailers

13 retailers$368 CAD to $4,549 CAD

A
Cheapest Retailer
-
$368 CAD
$263 USD
A
Retailer 2
-
$427 CAD
$305 USD
View
A
Retailer 3
-
$721 CAD
$515 USD
View
A
Retailer 4
-
$761 CAD
$544 USD
View
B+
Retailer 5
-
$1,404 CAD
$1,003 USD
View
Retailer 6
-
$1,531 CAD
$1,094 USD
View
Price last confirmed 24 days ago
B+
Retailer 7
-
$1,622 CAD
$1,159 USD
View
B+
Retailer 8
-
$1,634 CAD
$1,168 USD
View
B+
Retailer 9
-
$2,032 CAD
£1,143 GBP
View
B
Retailer 10
-
$3,275 CAD
$2,340 USD
View
Retailer 11
-
$4,185 CAD
$2,990 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$4,549 CAD
$3,250 USD
View
Most Expensive
Brilliant Earth
20712956Y · Sep 19
$4,689 CAD
$3,350 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from $368 CADSave up to $4,181 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
$368 CAD