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Radiant|Lab Grown|IGI

1.22ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG660420878

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

Certificate IGI LG660420878

Diamond specifications and retailer prices

From $404 CAD
$289 USD
As of October 27, 2026
Save $2,325 CAD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,729 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.22ct lab-grown radiant diamond

This 1.22ct 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 LG660420878 or 660420878. Listed at 19 retailers as of October 27, 2026, with prices from $404 to $2,729, a $2,325 spread on the same certified stone. Brilliant Earth lists it at $2,729. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660420878
Dimensions7.62 × 5.20 × 3.39 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm5.20 mm1.22 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660420878
Side View
Table 64.0%Crown 47.8°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,729 CAD|Low: $389 CAD|High: $2,813 CAD|Avg: $1,269 CAD|-3.0%
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 29, 2026
Retailer 17$404 CAD
Retailer 6$453 CAD
Retailer 4$470 CAD
Retailer 18$502 CAD
Retailer 15$531 CAD
Retailer 3$555 CAD
Retailer 9$703 CAD
Retailer 12$721 CAD
Retailer 14$788 CAD
Retailer 2$885 CAD
Retailer 10$1,157 CAD
Retailer 8$1,612 CAD
Retailer 11$1,682 CAD
Retailer 5$1,832 CAD
Retailer 13$2,014 CAD
Retailer 19$2,069 CAD
Retailer 16$2,078 CAD
Retailer 7$2,466 CAD
Brilliant Earth$2,729 CAD

42 data points across 19 retailers

19 retailers$404 CAD to $2,729 CAD

A
Cheapest Retailer
-
$404 CAD
$289 USD
A
Retailer 2
-
$453 CAD
$324 USD
View
Final sale: no returns
A
Retailer 3
-
$470 CAD
$336 USD
View
A
Retailer 4
-
$502 CAD
$359 USD
View
Retailer 5
-
$531 CAD
£299 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
$555 CAD
HK$3,100 HKD
View
A
Retailer 7
-
$703 CAD
$502 USD
View
A
Retailer 8
-
$721 CAD
$515 USD
View
A
Retailer 9
-
$788 CAD
€536 EUR
View
A
Retailer 10
-
$885 CAD
£498 GBP
View
B+
Retailer 11
-
$1,157 CAD
$827 USD
View
B+
Retailer 12
-
$1,612 CAD
SGD 1,556 SGD
View
B+
Retailer 13
-
$1,682 CAD
$1,202 USD
View
B
Retailer 14
-
$1,870 CAD
$1,336 USD
View
B+
Retailer 15
-
$2,014 CAD
£1,133 GBP
View
B
Retailer 16
-
$2,069 CAD
$1,479 USD
View
Retailer 17
-
$2,078 CAD
$1,485 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$2,466 CAD
$1,762 USD
View
Most Expensive
B
Brilliant Earth
14347199A · Oct 29
$2,729 CAD
$1,950 USD
View
18 more retailers have this diamond
Prices start from $404 CADSave up to $2,325 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
1.22ct Radiant
$404 CAD