Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825639679

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825639679

Diamond specifications and retailer prices

From £191 GBP
$255 USD
As of October 29, 2026
Save £827 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,368 GBP at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round 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 LG825639679 or 825639679. Listed at 23 retailers as of October 29, 2026, with a 432% 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

1.22
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639679
Dimensions6.84 × 6.87 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.84 mm6.87 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639679
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

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A+
Exceptional
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 29
Current: £315 GBP|Low: £191 GBP|High: £1,468 GBP|Avg: £554 GBP|-7.7%
Retailer 1
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 30, 2026
Retailer 5£191 GBP
Retailer 4£213 GBP
Retailer 3£237 GBP
Retailer 12£237 GBP
Retailer 1£315 GBP
Retailer 11£319 GBP
Retailer 10£407 GBP
Retailer 7£444 GBP
Retailer 2£501 GBP
Retailer 13£728 GBP
Retailer 8£790 GBP
Retailer 9£955 GBP
Retailer 6£1,018 GBP

39 data points across 13 retailers

23 retailers£191 GBP to £1,018 GBP

A+
Cheapest Retailer
-
£191 GBP
$255 USD
Retailer 2
-
£197 GBP
$262 USD
View
Price last confirmed 22 days ago
Retailer 3
-
£205 GBP
$273 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£213 GBP
$284 USD
View
Final sale: no returns
A
Retailer 5
-
£237 GBP
$316 USD
View
A
Retailer 6
-
£237 GBP
$316 USD
View
Retailer 7
-
£251 GBP
$334 USD
View
Price last confirmed 35 days ago
Retailer 8
-
£254 GBP
$338 USD
View
Price last confirmed 21 days ago
Retailer 9
-
£254 GBP
$338 USD
View
Price last confirmed 27 days ago
Retailer 10
-
£279 GBP
HK$2,900 HKD
View
Price last confirmed 42 days ago
A
Retailer 11
-
£315 GBP
$420 USD
View
A
Retailer 12
-
£319 GBP
$425 USD
View
Retailer 13
-
£343 GBP
$457 USD
View
Price last confirmed 41 days ago
A
Retailer 14
-
£407 GBP
ZAR 8,761 ZAR
View
Retailer 15
-
£420 GBP
$559 USD
View
Price last confirmed 40 days ago
A
Retailer 16
-
£444 GBP
View
A
Retailer 17
-
£501 GBP
$667 USD
View
B+
Retailer 18
-
£728 GBP
$970 USD
View
B+
Retailer 19
-
£790 GBP
$1,052 USD
View
Retailer 20
-
£817 GBP
$1,088 USD
View
Price last confirmed 29 days ago
B+
Retailer 21
-
£955 GBP
View
B+
Retailer 22
-
£1,018 GBP
$1,356 USD
View
Most Expensive
NZ Jewellers
5b831f93-6ba9-431d-8972-16a6e7df4243 · Sep 21
£1,368 GBP
$1,822 USD
View
Price last confirmed 39 days ago
22 more retailers have this diamond
Prices start from £191 GBPSave up to £827 GBP

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 Round
£191 GBP