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Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG728540141

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

Certificate IGI LG728540141

Diamond specifications and retailer prices

From $423 CAD
$303 USD
As of October 30, 2026
Save $2,748 CAD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,171 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.35ct lab-grown radiant diamond

This 1.35ct 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 LG728540141 or 728540141. Listed at 22 retailers as of October 29, 2026, with prices from $423 to $3,171, a $2,748 spread on the same certified stone. Brilliant Earth lists it at $3,171. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728540141
Dimensions7.81 × 5.46 × 3.65 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.46 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728540141
Side View
Table 66.0%Crown 44.5°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 66.8%

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: $3,171 CAD|Low: $406 CAD|High: $3,171 CAD|Avg: $1,198 CAD|+1.3%
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 30, 2026
Retailer 3$423 CAD
Retailer 7$474 CAD
Retailer 4$525 CAD
Retailer 15$705 CAD
Retailer 10$740 CAD
Retailer 6$877 CAD
Retailer 13$884 CAD
Retailer 9$902 CAD
Retailer 2$933 CAD
Retailer 8$1,281 CAD
Retailer 14$1,613 CAD
Retailer 5$1,708 CAD
Retailer 11$2,108 CAD
Retailer 12$2,598 CAD
Brilliant Earth$3,171 CAD

45 data points across 15 retailers

22 retailers$423 CAD to $3,171 CAD

A
Cheapest Retailer
-
$423 CAD
$303 USD
A
Retailer 2
-
$474 CAD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$492 CAD
$352 USD
View
A
Retailer 4
-
$525 CAD
$376 USD
View
A
Retailer 5
-
$525 CAD
$376 USD
View
A
Retailer 6
-
$705 CAD
$505 USD
View
A
Retailer 7
-
$740 CAD
$530 USD
View
A
Retailer 8
-
$877 CAD
$628 USD
View
Retailer 9
-
$884 CAD
€603 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$902 CAD
ZAR 10,434 ZAR
View
A
Retailer 11
-
$933 CAD
£526 GBP
View
B+
Retailer 12
-
$1,281 CAD
A$1,411 AUD
View
B+
Retailer 13
-
$1,358 CAD
$972 USD
View
B+
Retailer 14
-
$1,409 CAD
$1,009 USD
View
B+
Retailer 15
-
$1,613 CAD
$1,155 USD
View
B+
Retailer 16
-
$1,687 CAD
$1,208 USD
View
Retailer 17
-
$1,708 CAD
A$1,881 AUD
View
Price last confirmed 28 days ago
B+
Retailer 18
-
$1,754 CAD
$1,256 USD
View
B+
Retailer 19
-
$2,108 CAD
£1,188 GBP
View
B
Retailer 20
-
$2,127 CAD
$1,523 USD
View
Retailer 21
-
$2,598 CAD
$1,860 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
15548548A · Oct 29
$3,171 CAD
$2,270 USD
View
21 more retailers have this diamond
Prices start from $423 CADSave up to $2,748 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
1.35ct Radiant
$423 CAD