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Round|Lab Grown|IGI

1.22ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG841605589

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605589

Diamond specifications and retailer prices

From £124 GBP
$166 USD
As of November 1, 2026
Save £595 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £718 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841605589 or 841605589. Listed at 18 retailers as of November 1, 2026, with prices from £124 to £718, a £595 spread on the same certified stone. MOH London lists it at £718. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605589
Dimensions6.81 × 6.84 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.84 mm1.22 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605589
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

Caratlytics Score

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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: Nov 1
Current: £718 GBP|Low: £124 GBP|High: £726 GBP|Avg: £360 GBP|-1.0%
MOH London
Retailer 2
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Retailer 11
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Retailer 19
November 2, 2026
Retailer 4£124 GBP
Retailer 17£144 GBP
Retailer 3£154 GBP
Retailer 9£154 GBP
Retailer 16£265 GBP
Retailer 19£266 GBP
Retailer 12£268 GBP
Retailer 13£272 GBP
Retailer 10£276 GBP
Retailer 18£293 GBP
Retailer 7£340 GBP
Retailer 14£374 GBP
Retailer 8£391 GBP
Retailer 2£409 GBP
Retailer 15£477 GBP
Retailer 5£493 GBP
Retailer 6£534 GBP
Retailer 11£545 GBP
MOH London£718 GBP

22 data points across 19 retailers

18 retailers£124 GBP to £718 GBP

A
Cheapest Retailer
-
£124 GBP
$166 USD
A
Retailer 2
-
£144 GBP
$193 USD
View
A
Retailer 3
-
£154 GBP
$206 USD
View
Retailer 4
-
£154 GBP
$206 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£265 GBP
ZAR 5,746 ZAR
View
A
Retailer 6
-
£268 GBP
€342 EUR
View
A
Retailer 7
-
£272 GBP
View
A
Retailer 8
-
£276 GBP
$371 USD
View
A
Retailer 9
-
£293 GBP
$393 USD
View
B+
Retailer 10
-
£340 GBP
$456 USD
View
B+
Retailer 11
-
£374 GBP
A$773 AUD
View
B+
Retailer 12
-
£391 GBP
$525 USD
View
B+
Retailer 13
-
£409 GBP
$549 USD
View
B+
Retailer 14
-
£477 GBP
$640 USD
View
B
Retailer 15
-
£493 GBP
$662 USD
View
B
Retailer 16
-
£534 GBP
$717 USD
View
B
Retailer 17
-
£545 GBP
$732 USD
View
Most Expensive
B
MOH London
LG841605589 · Nov 1
£718 GBP
View
17 more retailers have this diamond
Prices start from £124 GBPSave up to £595 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
£124 GBP