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Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG681558901

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

Certificate IGI LG681558901

Diamond specifications and retailer prices

From $448 CAD
$321 USD
As of October 30, 2026
Save $3,533 CAD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,981 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG681558901 or 681558901. Listed at 24 retailers as of October 29, 2026, with prices from $448 to $3,981, a $3,533 spread on the same certified stone. Do Amore Diamonds lists it at $3,981. 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 angle47.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681558901
Dimensions7.54 × 5.55 × 3.74 mm
L/W Ratio1.36
Culet sizePointed
Top View
7.54 mm5.55 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681558901
Side View
Table 65.0%Crown 47.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

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: $1,758 CAD|Low: $430 CAD|High: $3,953 CAD|Avg: $1,358 CAD|-0.6%
Retailer 1
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
October 30, 2026
Retailer 7$448 CAD
Retailer 11$500 CAD
Retailer 6$520 CAD
Retailer 3$556 CAD
Retailer 5$556 CAD
Retailer 9$650 CAD
Retailer 15$740 CAD
Retailer 14$1,054 CAD
Retailer 10$1,104 CAD
Retailer 12$1,489 CAD
Retailer 4$1,629 CAD
Retailer 1$1,758 CAD
Retailer 8$1,971 CAD
Retailer 2$2,389 CAD
Retailer 13$2,409 CAD
Retailer 16$3,841 CAD

30 data points across 16 retailers

24 retailers$448 CAD to $3,981 CAD

A
Cheapest Retailer
-
$448 CAD
$321 USD
A
Retailer 2
-
$500 CAD
$358 USD
View
Final sale: no returns
A
Retailer 3
-
$520 CAD
$372 USD
View
A
Retailer 4
-
$556 CAD
$398 USD
View
A
Retailer 5
-
$556 CAD
$398 USD
View
A
Retailer 6
-
$650 CAD
£367 GBP
View
A
Retailer 7
-
$740 CAD
$530 USD
View
A
Retailer 8
-
$740 CAD
$530 USD
View
A
Retailer 9
-
$781 CAD
$559 USD
View
A
Retailer 10
-
$1,054 CAD
ZAR 12,188 ZAR
View
A
Retailer 11
-
$1,067 CAD
$764 USD
View
A
Retailer 12
-
$1,104 CAD
£622 GBP
View
B+
Retailer 13
-
$1,489 CAD
A$1,640 AUD
View
B+
Retailer 14
-
$1,629 CAD
$1,166 USD
View
B+
Retailer 15
-
$1,758 CAD
A$1,936 AUD
View
B+
Retailer 16
-
$1,971 CAD
$1,411 USD
View
B
Retailer 17
-
$2,021 CAD
£1,139 GBP
View
B
Retailer 18
-
$2,192 CAD
$1,569 USD
View
B
Retailer 19
-
$2,198 CAD
$1,574 USD
View
B
Retailer 20
-
$2,384 CAD
£1,344 GBP
View
Retailer 21
-
$2,389 CAD
$1,710 USD
View
Price last confirmed 9 days ago
B+
Retailer 22
-
$2,409 CAD
£1,358 GBP
View
Retailer 23
-
$3,841 CAD
$2,750 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-97E5521D5 · Oct 29
$3,981 CAD
$2,850 USD
View
23 more retailers have this diamond
Prices start from $448 CADSave up to $3,533 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
$448 CAD