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Radiant|Lab Grown|IGI

1.31ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG602388297

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

Certificate IGI LG602388297

Diamond specifications and retailer prices

From $398 CAD
$285 USD
As of October 30, 2026
Save $2,647 CAD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,045 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.31ct lab-grown radiant diamond

This 1.31ct 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 LG602388297 or 602388297. Listed at 22 retailers as of October 29, 2026, with prices from $398 to $3,045, a $2,647 spread on the same certified stone. Brilliant Earth lists it at $3,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602388297
Dimensions7.96 × 5.44 × 3.63 mm
L/W Ratio1.46
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
7.96 mm5.44 mm1.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602388297
Side View
Table 66.0%Crown 43°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.7%

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: $3,045 CAD|Low: $383 CAD|High: $3,045 CAD|Avg: $1,050 CAD|+0.9%
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
October 30, 2026
Retailer 3$398 CAD
Retailer 7$462 CAD
Retailer 4$495 CAD
Retailer 8$495 CAD
Retailer 2$524 CAD
Retailer 15$712 CAD
Retailer 16$807 CAD
Retailer 6$813 CAD
Retailer 14$849 CAD
Retailer 10$870 CAD
Retailer 9$951 CAD
Retailer 13$1,201 CAD
Retailer 17$1,517 CAD
Retailer 5$1,587 CAD
Retailer 11$1,658 CAD
Retailer 12$1,990 CAD
Brilliant Earth$3,045 CAD

39 data points across 17 retailers

22 retailers$398 CAD to $3,045 CAD

A
Cheapest Retailer
-
$398 CAD
$285 USD
A
Retailer 2
-
$446 CAD
$319 USD
View
Final sale: no returns
A
Retailer 3
-
$462 CAD
$331 USD
View
A
Retailer 4
-
$495 CAD
$354 USD
View
A
Retailer 5
-
$495 CAD
$354 USD
View
A
Retailer 6
-
$524 CAD
£295 GBP
View
A
Retailer 7
-
$712 CAD
$510 USD
View
A
Retailer 8
-
$807 CAD
€550 EUR
View
A
Retailer 9
-
$813 CAD
$582 USD
View
A
Retailer 10
-
$849 CAD
ZAR 9,813 ZAR
View
A
Retailer 11
-
$870 CAD
£491 GBP
View
A
Retailer 12
-
$951 CAD
$681 USD
View
B+
Retailer 13
-
$1,201 CAD
A$1,323 AUD
View
B+
Retailer 14
-
$1,281 CAD
$917 USD
View
B+
Retailer 15
-
$1,517 CAD
$1,086 USD
View
B+
Retailer 16
-
$1,587 CAD
$1,136 USD
View
B+
Retailer 17
-
$1,656 CAD
$1,186 USD
View
B+
Retailer 18
-
$1,658 CAD
A$1,826 AUD
View
B
Retailer 19
-
$1,823 CAD
$1,305 USD
View
B
Retailer 20
-
$1,916 CAD
£1,080 GBP
View
B+
Retailer 21
-
$1,990 CAD
£1,122 GBP
View
Most Expensive
B
Brilliant Earth
8263391A · Oct 29
$3,045 CAD
$2,180 USD
View
21 more retailers have this diamond
Prices start from $398 CADSave up to $2,647 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
1.31ct Radiant
$398 CAD