Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG671426516

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

Certificate IGI LG671426516

Diamond specifications and retailer prices

From $397 CAD
$284 USD
As of October 30, 2026
Save $4,506 CAD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,903 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG671426516 or 671426516. Listed at 18 retailers as of October 29, 2026, with prices from $397 to $4,903, a $4,506 spread on the same certified stone. Brilliant Earth lists it at $4,903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671426516
Dimensions8.07 × 5.69 × 3.88 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.69 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671426516
Side View
Table 67.0%Crown 46.9°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.2%

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: $4,903 CAD|Low: $393 CAD|High: $5,057 CAD|Avg: $1,362 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
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$397 CAD
Retailer 4$461 CAD
Retailer 10$461 CAD
Retailer 9$632 CAD
Retailer 15$637 CAD
Retailer 11$657 CAD
Retailer 18$657 CAD
Retailer 2$848 CAD
Retailer 8$1,161 CAD
Retailer 6$1,164 CAD
Retailer 17$1,268 CAD
Retailer 12$1,513 CAD
Retailer 7$1,629 CAD
Retailer 16$1,748 CAD
Retailer 13$2,048 CAD
Retailer 14$2,191 CAD
Retailer 3$3,534 CAD
Brilliant Earth$4,903 CAD

35 data points across 18 retailers

18 retailers$397 CAD to $4,903 CAD

A
Cheapest Retailer
-
$397 CAD
$284 USD
A
Retailer 2
-
$461 CAD
$330 USD
View
Final sale: no returns
A
Retailer 3
-
$461 CAD
$330 USD
View
A
Retailer 4
-
$632 CAD
$453 USD
View
A
Retailer 5
-
$637 CAD
$456 USD
View
A
Retailer 6
-
$657 CAD
$470 USD
View
A
Retailer 7
-
$657 CAD
$470 USD
View
A
Retailer 8
-
$848 CAD
€578 EUR
View
A
Retailer 9
-
$1,161 CAD
$831 USD
View
A
Retailer 10
-
$1,164 CAD
$833 USD
View
A
Retailer 11
-
$1,268 CAD
A$1,396 AUD
View
B+
Retailer 12
-
$1,513 CAD
$1,083 USD
View
B+
Retailer 13
-
$1,629 CAD
$1,166 USD
View
B+
Retailer 14
-
$1,748 CAD
$1,251 USD
View
B+
Retailer 15
-
$2,048 CAD
A$2,255 AUD
View
B+
Retailer 16
-
$2,191 CAD
£1,235 GBP
View
B
Retailer 17
-
$3,534 CAD
$2,530 USD
View
Most Expensive
B
Brilliant Earth
16298721A · Oct 29
$4,903 CAD
$3,510 USD
View
17 more retailers have this diamond
Prices start from $397 CADSave up to $4,506 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
1.54ct Radiant
$397 CAD