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Radiant|Lab Grown|IGI

1.22ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG665423129

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

Certificate IGI LG665423129

Diamond specifications and retailer prices

From £434 GBP
As of November 2, 2026
17 retailers carry this diamond
Most expensive: £817 GBP at MOH London · As of October 19, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665423129 or 665423129. Listed at 17 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665423129
Dimensions7.86 × 5.16 × 3.49 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.86 mm5.16 mm1.22 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665423129
Side View
Table 63.0%Crown 42.3°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 67.6%

Caratlytics Score

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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: Nov 2
Current: £817 GBP|Low: £122 GBP|High: £1,222 GBP|Avg: £394 GBP|-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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 21, 2026
Retailer 15£127 GBP
Retailer 5£148 GBP
Retailer 7£157 GBP
Retailer 17£157 GBP
Retailer 2£208 GBP
Retailer 6£254 GBP
Retailer 4£281 GBP
Retailer 11£296 GBP
Retailer 10£307 GBP
Retailer 8£344 GBP
Retailer 12£428 GBP
Retailer 13£534 GBP
Retailer 3£559 GBP
Retailer 16£566 GBP
Retailer 9£688 GBP
MOH London£817 GBP
Retailer 14£1,222 GBP

29 data points across 17 retailers

17 retailers

Retailer 1
-
£127 GBP
$170 USD
Price last confirmed 14 days ago
Retailer 2
-
£148 GBP
$198 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£157 GBP
$211 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£157 GBP
$211 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£208 GBP
View
Price last confirmed 12 days ago
Retailer 6
-
£254 GBP
$341 USD
View
Price last confirmed 12 days ago
Retailer 7
-
£281 GBP
$377 USD
View
Price last confirmed 15 days ago
Retailer 8
-
£296 GBP
ZAR 6,412 ZAR
View
Price last confirmed 15 days ago
Retailer 9
-
£307 GBP
View
Price last confirmed 12 days ago
Retailer 10
-
£344 GBP
$461 USD
View
Price last confirmed 14 days ago
Retailer 11
-
£428 GBP
A$883 AUD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
£434 GBP
View
Retailer 13
-
£534 GBP
$717 USD
View
Price last confirmed 11 days ago
Retailer 14
-
£559 GBP
$750 USD
View
Price last confirmed 13 days ago
Retailer 15
-
£566 GBP
$760 USD
View
Price last confirmed 14 days ago
Retailer 16
-
£688 GBP
$923 USD
View
Price last confirmed 13 days ago
Most Expensive
MOH London
LG665423129 · Oct 19
£817 GBP
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from £434 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.

B+
1.22ct Radiant
£434 GBP