Round|Lab Grown|IGI

1.20ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG841605644

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605644

Diamond specifications and retailer prices

From £121 GBP
$162 USD
As of October 29, 2026
Save £409 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £705 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841605644 or 841605644. Listed at 17 retailers as of October 29, 2026, with a 338% 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

1.20
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605644
Dimensions6.86 × 6.90 × 4.16 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
6.86 mm6.90 mm1.20 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605644
Side View
Table 58.0%Crown 32°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

Caratlytics Score

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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: Oct 29
Current: £705 GBP|Low: £121 GBP|High: £709 GBP|Avg: £348 GBP|-0.5%
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
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Retailer 17
October 30, 2026
Retailer 3£121 GBP
Retailer 13£140 GBP
Retailer 7£150 GBP
Retailer 17£150 GBP
Retailer 11£262 GBP
Retailer 10£264 GBP
Retailer 8£272 GBP
Retailer 14£291 GBP
Retailer 16£311 GBP
Retailer 6£337 GBP
Retailer 15£355 GBP
Retailer 2£393 GBP
Retailer 12£433 GBP
Retailer 4£482 GBP
Retailer 5£523 GBP
Retailer 9£530 GBP
MOH London£705 GBP

19 data points across 17 retailers

17 retailers£121 GBP to £530 GBP

A
Cheapest Retailer
-
£121 GBP
$162 USD
A
Retailer 2
-
£140 GBP
$188 USD
View
A
Retailer 3
-
£150 GBP
$201 USD
View
A
Retailer 4
-
£150 GBP
$201 USD
View
A
Retailer 5
-
£262 GBP
€334 EUR
View
A
Retailer 6
-
£264 GBP
View
B+
Retailer 7
-
£272 GBP
$364 USD
View
B+
Retailer 8
-
£291 GBP
$390 USD
View
Retailer 9
-
£311 GBP
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£337 GBP
$451 USD
View
Retailer 11
-
£355 GBP
$475 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£393 GBP
$527 USD
View
B+
Retailer 13
-
£433 GBP
$580 USD
View
B
Retailer 14
-
£482 GBP
$646 USD
View
B
Retailer 15
-
£523 GBP
$701 USD
View
B
Retailer 16
-
£530 GBP
$710 USD
View
Most Expensive
MOH London
LG841605644 · Oct 21
£705 GBP
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from £121 GBPSave up to £409 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
1.20ct Round
£121 GBP