Radiant|Lab Grown|IGI

1.45ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG840633311

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

Certificate IGI LG840633311

Diamond specifications and retailer prices

From $425 CAD
$304 USD
As of October 30, 2026
Save $3,459 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,198 CAD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG840633311 or 840633311. Listed at 22 retailers as of October 30, 2026, with a 814% 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 angle42.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633311
Dimensions7.86 × 5.54 × 3.80 mm
L/W Ratio1.42
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
7.86 mm5.54 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633311
Side View
Table 63.0%Crown 42.5°Girdle: Slightly ThickPavilion 34.9°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: $4,198 CAD|Low: $425 CAD|High: $4,568 CAD|Avg: $1,504 CAD|-0.3%
Rare Carat
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 9$425 CAD
Retailer 21$493 CAD
Retailer 12$506 CAD
Retailer 8$527 CAD
Retailer 20$527 CAD
Retailer 13$559 CAD
Retailer 19$796 CAD
Retailer 3$862 CAD
Retailer 22$886 CAD
Retailer 18$906 CAD
Retailer 16$937 CAD
Retailer 10$972 CAD
Retailer 5$1,542 CAD
Retailer 4$1,620 CAD
Retailer 11$1,648 CAD
Retailer 7$1,694 CAD
Retailer 6$1,761 CAD
Retailer 15$1,933 CAD
Retailer 17$2,125 CAD
Retailer 14$3,763 CAD
Retailer 2$3,883 CAD
Rare Carat$4,198 CAD

23 data points across 22 retailers

22 retailers$425 CAD to $3,883 CAD

A
Cheapest Retailer
-
$425 CAD
$304 USD
A
Retailer 2
-
$493 CAD
$353 USD
View
A
Retailer 3
-
$506 CAD
$362 USD
View
Final sale: no returns
A
Retailer 4
-
$527 CAD
$377 USD
View
A
Retailer 5
-
$527 CAD
$377 USD
View
A
Retailer 6
-
$559 CAD
£315 GBP
View
A
Retailer 7
-
$796 CAD
$570 USD
View
A
Retailer 8
-
$862 CAD
$617 USD
View
A
Retailer 9
-
$886 CAD
$634 USD
View
A
Retailer 10
-
$906 CAD
ZAR 10,478 ZAR
View
A
Retailer 11
-
$937 CAD
£528 GBP
View
A
Retailer 12
-
$972 CAD
€663 EUR
View
B+
Retailer 13
-
$1,542 CAD
$1,104 USD
View
B+
Retailer 14
-
$1,620 CAD
$1,160 USD
View
B+
Retailer 15
-
$1,648 CAD
$1,180 USD
View
B+
Retailer 16
-
$1,694 CAD
$1,213 USD
View
B+
Retailer 17
-
$1,761 CAD
$1,261 USD
View
B+
Retailer 18
-
$1,933 CAD
SGD 1,870 SGD
View
B+
Retailer 19
-
$2,125 CAD
£1,198 GBP
View
B
Retailer 20
-
$3,763 CAD
$2,694 USD
View
B
Retailer 21
-
$3,883 CAD
$2,780 USD
View
Most Expensive
Rare Carat
JH-250266 · Oct 18
$4,198 CAD
$3,005 USD
View
Price last confirmed 11 days ago
21 more retailers have this diamond
Prices start from $425 CADSave up to $3,459 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
$425 CAD