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Round|Lab Grown|IGI

1.22ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG843608900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843608900

Diamond specifications and retailer prices

From £117 GBP
$157 USD
As of November 1, 2026
Save £562 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £680 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 LG843608900 or 843608900. Listed at 13 retailers as of November 1, 2026, with prices from £117 to £680, a £562 spread on the same certified stone. MOH London lists it at £680. 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 angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843608900
Dimensions6.86 × 6.89 × 4.20 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
6.86 mm6.89 mm1.22 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843608900
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £680 GBP|Low: £117 GBP|High: £682 GBP|Avg: £349 GBP
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
November 2, 2026
Retailer 10£117 GBP
Retailer 12£146 GBP
Retailer 6£251 GBP
Retailer 9£251 GBP
Retailer 7£252 GBP
Retailer 13£259 GBP
Retailer 5£265 GBP
Retailer 4£291 GBP
Retailer 8£354 GBP
Retailer 11£392 GBP
Retailer 2£395 GBP
Retailer 3£508 GBP
MOH London£680 GBP

9 data points across 13 retailers

13 retailers£117 GBP to £680 GBP

A
Cheapest Retailer
-
£117 GBP
$157 USD
A
Retailer 2
-
£146 GBP
$195 USD
View
A
Retailer 3
-
£251 GBP
View
A
Retailer 4
-
£251 GBP
ZAR 5,428 ZAR
View
A
Retailer 5
-
£252 GBP
View
A
Retailer 6
-
£259 GBP
€330 EUR
View
B+
Retailer 7
-
£265 GBP
$355 USD
View
A
Retailer 8
-
£291 GBP
$390 USD
View
B+
Retailer 9
-
£354 GBP
A$730 AUD
View
B+
Retailer 10
-
£392 GBP
$525 USD
View
B+
Retailer 11
-
£395 GBP
$529 USD
View
B
Retailer 12
-
£508 GBP
$681 USD
View
Most Expensive
B
MOH London
LG843608900 · Nov 1
£680 GBP
View
12 more retailers have this diamond
Prices start from £117 GBPSave up to £562 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
£117 GBP