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 €582 EUR
$650 USD
As of October 30, 2026
Save €2,231 EUR (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,812 EUR 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 €582 to €2,812, a €2,231 spread on the same certified stone. MOH London lists it at €2,812. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,812 EUR|Low: €499 EUR|High: €2,831 EUR|Avg: €1,150 EUR|-0.4%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 14€519 EUR
Retailer 4€582 EUR
Retailer 6€582 EUR
Retailer 13€644 EUR
Retailer 10€683 EUR
Retailer 3€743 EUR
Retailer 8€936 EUR
Retailer 5€990 EUR
Retailer 2€1,007 EUR
Retailer 11€1,107 EUR
Retailer 9€1,570 EUR
Retailer 15€1,599 EUR
Retailer 12€1,694 EUR
Retailer 7€1,986 EUR
MOH London€2,812 EUR

33 data points across 15 retailers

20 retailers€582 EUR to €2,812 EUR

Retailer 1
-
€519 EUR
$580 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
€582 EUR
$650 USD
View
Final sale: no returns
Retailer 3
-
€582 EUR
$650 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
€644 EUR
$720 USD
View
B+
Retailer 5
-
€683 EUR
£601 GBP
View
B+
Retailer 6
-
€743 EUR
$830 USD
View
B+
Retailer 7
-
€816 EUR
$912 USD
View
B+
Retailer 8
-
€936 EUR
View
B
Retailer 9
-
€990 EUR
$1,106 USD
View
B+
Retailer 10
-
€1,007 EUR
£886 GBP
View
B
Retailer 11
-
€1,107 EUR
ZAR 19,984 ZAR
View
B
Retailer 12
-
€1,570 EUR
A$2,699 AUD
View
B
Retailer 13
-
€1,599 EUR
$1,786 USD
View
B
Retailer 14
-
€1,614 EUR
£1,420 GBP
View
B
Retailer 15
-
€1,694 EUR
$1,893 USD
View
B
Retailer 16
-
€1,869 EUR
£1,644 GBP
View
B
Retailer 17
-
€1,986 EUR
$2,219 USD
View
B
Retailer 18
-
€2,001 EUR
£1,760 GBP
View
B
Retailer 19
-
€2,504 EUR
$2,798 USD
View
Most Expensive
B
MOH London
LG578341098 · Oct 29
€2,812 EUR
£2,474 GBP
View
19 more retailers have this diamond
Prices start from €582 EURSave up to €2,231 EUR

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
€582 EUR