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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG635497403

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

Certificate IGI LG635497403

Diamond specifications and retailer prices

From $292 CAD
$209 USD
As of October 30, 2026
Save $1,416 CAD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,612 CAD at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635497403 or 635497403. Listed at 24 retailers as of October 30, 2026, with a 485% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635497403
Dimensions7.19 × 5.13 × 3.49 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
7.19 mm5.13 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635497403
Side View
Table 65.0%Crown 43°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 68.0%

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: $2,612 CAD|Low: $281 CAD|High: $2,752 CAD|Avg: $895 CAD|+1.6%
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
Retailer 19
October 30, 2026
Retailer 6$292 CAD
Retailer 4$327 CAD
Retailer 9$338 CAD
Retailer 7$362 CAD
Retailer 10$362 CAD
Retailer 19$385 CAD
Retailer 14$489 CAD
Retailer 18$587 CAD
Retailer 15$622 CAD
Retailer 2$668 CAD
Retailer 11$800 CAD
Retailer 16$885 CAD
Retailer 3$937 CAD
Retailer 8$1,164 CAD
Retailer 13$1,308 CAD
Retailer 12$1,458 CAD
Retailer 17$1,690 CAD
Retailer 5$1,708 CAD
Brilliant Earth$2,612 CAD

38 data points across 19 retailers

24 retailers$292 CAD to $1,708 CAD

A
Cheapest Retailer
-
$292 CAD
$209 USD
A
Retailer 2
-
$327 CAD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$338 CAD
$242 USD
View
A
Retailer 4
-
$362 CAD
$259 USD
View
A
Retailer 5
-
$362 CAD
$259 USD
View
Retailer 6
-
$385 CAD
£217 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$489 CAD
$350 USD
View
Retailer 8
-
$587 CAD
€400 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$622 CAD
ZAR 7,193 ZAR
View
A
Retailer 10
-
$668 CAD
£377 GBP
View
A
Retailer 11
-
$737 CAD
$528 USD
View
A
Retailer 12
-
$800 CAD
$573 USD
View
A
Retailer 13
-
$885 CAD
A$975 AUD
View
A
Retailer 14
-
$898 CAD
$643 USD
View
B+
Retailer 15
-
$937 CAD
$671 USD
View
B+
Retailer 16
-
$1,164 CAD
$833 USD
View
B+
Retailer 17
-
$1,236 CAD
$885 USD
View
B+
Retailer 18
-
$1,238 CAD
$886 USD
View
B+
Retailer 19
-
$1,308 CAD
A$1,441 AUD
View
B+
Retailer 20
-
$1,317 CAD
£742 GBP
View
B+
Retailer 21
-
$1,458 CAD
£822 GBP
View
Retailer 22
-
$1,690 CAD
$1,210 USD
View
Price last confirmed 11 days ago
B
Retailer 23
-
$1,708 CAD
$1,222 USD
View
Most Expensive
Brilliant Earth
10800488A · Oct 15
$2,612 CAD
$1,870 USD
View
Price last confirmed 15 days ago
23 more retailers have this diamond
Prices start from $292 CADSave up to $1,416 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
1.09ct Radiant
$292 CAD