CaratHunter
Plans
Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816611143

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816611143

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of October 30, 2026
Save £1,077 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,299 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG816611143 or 816611143. Listed at 23 retailers as of October 29, 2026, with prices from £222 to £1,299, a £1,077 spread on the same certified stone. Brilliant Earth lists it at £1,299. 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 angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611143
Dimensions6.98 × 6.92 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.92 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611143
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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 30
Current: £1,299 GBP|Low: £198 GBP|High: £1,299 GBP|Avg: £528 GBP
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
Retailer 20
October 30, 2026
Retailer 10£198 GBP
Retailer 6£222 GBP
Retailer 8£230 GBP
Retailer 12£243 GBP
Retailer 11£246 GBP
Retailer 20£345 GBP
Retailer 15£347 GBP
Retailer 13£406 GBP
Retailer 14£422 GBP
Retailer 2£469 GBP
Retailer 3£489 GBP
Retailer 19£501 GBP
Retailer 4£543 GBP
Retailer 17£754 GBP
Retailer 9£789 GBP
Retailer 5£827 GBP
Retailer 16£985 GBP
Retailer 7£1,046 GBP
Retailer 18£1,134 GBP
Brilliant Earth£1,299 GBP

37 data points across 20 retailers

23 retailers£222 GBP to £1,299 GBP

Retailer 1
-
£198 GBP
$265 USD
Price last confirmed 38 days ago
Retailer 2
-
£198 GBP
$265 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£222 GBP
$297 USD
View
Final sale: no returns
Retailer 4
-
£230 GBP
$308 USD
View
Price last confirmed 38 days ago
Retailer 5
-
£243 GBP
$325 USD
View
Price last confirmed 35 days ago
Retailer 6
-
£246 GBP
$329 USD
View
Price last confirmed 18 days ago
Retailer 7
-
£246 GBP
$329 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
£345 GBP
$462 USD
View
A
Retailer 9
-
£347 GBP
$465 USD
View
A
Retailer 10
-
£406 GBP
€518 EUR
View
A
Retailer 11
-
£422 GBP
ZAR 9,129 ZAR
View
A
Retailer 12
-
£469 GBP
View
B+
Retailer 13
-
£489 GBP
$655 USD
View
B+
Retailer 14
-
£501 GBP
$671 USD
View
B+
Retailer 15
-
£543 GBP
$728 USD
View
B+
Retailer 16
-
£754 GBP
$1,010 USD
View
Retailer 17
-
£789 GBP
$1,057 USD
View
Price last confirmed 33 days ago
Retailer 18
-
£789 GBP
$1,057 USD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
£827 GBP
$1,108 USD
View
B+
Retailer 20
-
£985 GBP
View
B
Retailer 21
-
£1,046 GBP
$1,402 USD
View
Retailer 22
-
£1,134 GBP
$1,520 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21018391A · Oct 29
£1,299 GBP
$1,740 USD
View
22 more retailers have this diamond
Prices start from £222 GBPSave up to £1,077 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
£222 GBP