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Radiant|Lab Grown|IGI

1.18ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818659433

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

Certificate IGI LG818659433

Diamond specifications and retailer prices

From $353 CAD
$253 USD
As of October 30, 2026
Save $2,608 CAD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,129 CAD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.18ct lab-grown radiant diamond

This 1.18ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659433 or 818659433. Listed at 19 retailers as of October 30, 2026, with a 738% 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

1.18
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659433
Dimensions7.21 × 5.33 × 3.67 mm
L/W Ratio1.35
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
7.21 mm5.33 mm1.18 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659433
Side View
Table 62.0%Crown 45.2°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 68.9%

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: $3,129 CAD|Low: $353 CAD|High: $3,590 CAD|Avg: $1,234 CAD|-0.9%
Rare Carat
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 31, 2026
Retailer 8$353 CAD
Retailer 18$409 CAD
Retailer 9$412 CAD
Retailer 7$439 CAD
Retailer 17$439 CAD
Retailer 16$664 CAD
Retailer 19$732 CAD
Retailer 15$753 CAD
Retailer 2$820 CAD
Retailer 12$835 CAD
Retailer 4$1,053 CAD
Retailer 3$1,347 CAD
Retailer 6$1,408 CAD
Retailer 5$1,481 CAD
Retailer 11$1,608 CAD
Retailer 14$1,765 CAD
Retailer 10$1,788 CAD
Retailer 13$2,961 CAD
Rare Carat$3,129 CAD

36 data points across 19 retailers

19 retailers$353 CAD to $2,961 CAD

A
Cheapest Retailer
-
$353 CAD
$253 USD
A
Retailer 2
-
$409 CAD
$293 USD
View
A
Retailer 3
-
$412 CAD
$295 USD
View
Final sale: no returns
A
Retailer 4
-
$439 CAD
$314 USD
View
A
Retailer 5
-
$439 CAD
$314 USD
View
A
Retailer 6
-
$664 CAD
$475 USD
View
A
Retailer 7
-
$732 CAD
$524 USD
View
A
Retailer 8
-
$753 CAD
ZAR 8,707 ZAR
View
A
Retailer 9
-
$820 CAD
€559 EUR
View
A
Retailer 10
-
$835 CAD
£471 GBP
View
B+
Retailer 11
-
$1,053 CAD
$754 USD
View
B+
Retailer 12
-
$1,347 CAD
$964 USD
View
B+
Retailer 13
-
$1,408 CAD
$1,008 USD
View
B+
Retailer 14
-
$1,481 CAD
$1,060 USD
View
B+
Retailer 15
-
$1,608 CAD
SGD 1,556 SGD
View
B+
Retailer 16
-
$1,765 CAD
£995 GBP
View
B
Retailer 17
-
$1,788 CAD
$1,280 USD
View
B
Retailer 18
-
$2,961 CAD
$2,120 USD
View
Most Expensive
Rare Carat
PD-231402 · Oct 18
$3,129 CAD
$2,240 USD
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from $353 CADSave up to $2,608 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
1.18ct Radiant
$353 CAD