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Radiant|Lab Grown|IGI

1.50ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG784645258

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

Certificate IGI LG784645258

Diamond specifications and retailer prices

From $539 CAD
$385 USD
As of October 30, 2026
Save $4,738 CAD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,276 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645258 or 784645258. Listed at 14 retailers as of October 29, 2026, with prices from $539 to $5,276, a $4,738 spread on the same certified stone. Brilliant Earth lists it at $5,276. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645258
Dimensions7.89 × 5.62 × 3.98 mm
L/W Ratio1.40
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
7.89 mm5.62 mm1.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645258
Side View
Table 59.0%Crown 38.3°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 70.8%

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: $5,276 CAD|Low: $539 CAD|High: $6,368 CAD|Avg: $2,787 CAD|-2.8%
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 8$539 CAD
Retailer 14$605 CAD
Retailer 6$803 CAD
Retailer 9$885 CAD
Retailer 4$994 CAD
Retailer 12$1,062 CAD
Retailer 5$1,153 CAD
Retailer 3$1,186 CAD
Retailer 11$1,877 CAD
Retailer 13$2,374 CAD
Retailer 2$2,727 CAD
Retailer 15$4,717 CAD
Retailer 10$4,787 CAD
Brilliant Earth$5,276 CAD
Retailer 7$6,265 CAD

30 data points across 15 retailers

14 retailers$539 CAD to $5,276 CAD

A
Cheapest Retailer
-
$539 CAD
$385 USD
A
Retailer 2
-
$605 CAD
$432 USD
View
A
Retailer 3
-
$803 CAD
$574 USD
View
Final sale: no returns
A
Retailer 4
-
$885 CAD
$632 USD
View
A
Retailer 5
-
$994 CAD
$710 USD
View
A
Retailer 6
-
$1,062 CAD
$759 USD
View
A
Retailer 7
-
$1,153 CAD
$824 USD
View
A
Retailer 8
-
$1,186 CAD
€807 EUR
View
B+
Retailer 9
-
$1,877 CAD
$1,341 USD
View
B+
Retailer 10
-
$2,374 CAD
$1,696 USD
View
B
Retailer 11
-
$2,727 CAD
£1,534 GBP
View
Retailer 12
-
$4,717 CAD
$3,370 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$4,787 CAD
$3,420 USD
View
Most Expensive
B
Brilliant Earth
19065557Y · Oct 29
$5,276 CAD
$3,770 USD
View
13 more retailers have this diamond
Prices start from $539 CADSave up to $4,738 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
1.50ct Radiant
$539 CAD