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Radiant|Lab Grown|IGI

1.22ct E IF Radiant Lab Grown Diamond

VG • E/IF • IGI LG578341098

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

Certificate IGI LG578341098

Diamond specifications and retailer prices

From $908 CAD
$650 USD
As of October 30, 2026
Save $3,481 CAD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,389 CAD at MOH London · As of October 29, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG578341098 or 578341098. Listed at 20 retailers as of October 29, 2026, with prices from $908 to $4,389, a $3,481 spread on the same certified stone. MOH London lists it at $4,389. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
E
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578341098
Dimensions6.76 × 5.19 × 3.62 mm
L/W Ratio1.30
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
6.76 mm5.19 mm1.22 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578341098
Side View
Table 68.0%Crown 47.7°Girdle: STK-THKPavilion 30.1°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,389 CAD|Low: $908 CAD|High: $4,417 CAD|Avg: $2,189 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$908 CAD
Retailer 6$1,066 CAD
Retailer 11$1,159 CAD
Retailer 9$1,458 CAD
Retailer 12$1,545 CAD
Retailer 7$1,571 CAD
Retailer 8$1,728 CAD
Retailer 2$2,451 CAD
Retailer 10$2,495 CAD
Retailer 4$2,917 CAD
Retailer 3$3,099 CAD
Retailer 5$3,122 CAD
MOH London$4,389 CAD

44 data points across 13 retailers

20 retailers$908 CAD to $4,389 CAD

Retailer 1
-
$810 CAD
$580 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$908 CAD
$650 USD
View
Final sale: no returns
B+
Retailer 3
-
$908 CAD
$650 USD
View
B+
Retailer 4
-
$1,006 CAD
$720 USD
View
B+
Retailer 5
-
$1,066 CAD
£601 GBP
View
B+
Retailer 6
-
$1,159 CAD
$830 USD
View
B+
Retailer 7
-
$1,274 CAD
$912 USD
View
Retailer 8
-
$1,458 CAD
€994 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,545 CAD
$1,106 USD
View
B+
Retailer 10
-
$1,571 CAD
£885 GBP
View
B
Retailer 11
-
$1,728 CAD
ZAR 19,984 ZAR
View
B
Retailer 12
-
$2,451 CAD
A$2,699 AUD
View
B
Retailer 13
-
$2,495 CAD
$1,786 USD
View
B
Retailer 14
-
$2,518 CAD
£1,420 GBP
View
B
Retailer 15
-
$2,644 CAD
$1,893 USD
View
B
Retailer 16
-
$2,917 CAD
£1,644 GBP
View
B
Retailer 17
-
$3,099 CAD
$2,219 USD
View
B
Retailer 18
-
$3,122 CAD
£1,760 GBP
View
B
Retailer 19
-
$3,908 CAD
$2,798 USD
View
Most Expensive
B
MOH London
LG578341098 · Oct 29
$4,389 CAD
£2,474 GBP
View
19 more retailers have this diamond
Prices start from $908 CADSave up to $3,481 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.

B+
1.22ct Radiant
$908 CAD