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Round|Lab Grown|IGI

1.20ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG735579971

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735579971

Diamond specifications and retailer prices

From £125 GBP
$167 USD
As of November 1, 2026
Save £600 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £724 GBP at MOH London · As of October 29, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG735579971 or 735579971. Listed at 21 retailers as of October 29, 2026, with prices from £125 to £724, a £600 spread on the same certified stone. MOH London lists it at £724. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735579971
Dimensions6.78 × 6.71 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.71 mm1.20 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735579971
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: Nov 1
Current: £724 GBP|Low: £125 GBP|High: £760 GBP|Avg: £384 GBP|-3.8%
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
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Retailer 17
November 1, 2026
Retailer 16£125 GBP
Retailer 7£154 GBP
Retailer 9£154 GBP
Retailer 10£271 GBP
Retailer 17£277 GBP
Retailer 2£283 GBP
Retailer 15£286 GBP
Retailer 12£304 GBP
Retailer 5£340 GBP
Retailer 11£373 GBP
Retailer 3£377 GBP
Retailer 4£496 GBP
Retailer 8£516 GBP
Retailer 14£523 GBP
Retailer 6£536 GBP
Retailer 13£597 GBP
MOH London£724 GBP

41 data points across 17 retailers

21 retailers£125 GBP to £724 GBP

A
Cheapest Retailer
-
£125 GBP
$167 USD
Retailer 2
-
£130 GBP
$174 USD
View
Price last confirmed 41 days ago
Retailer 3
-
£150 GBP
$201 USD
View
Price last confirmed 41 days ago
Retailer 4
-
£154 GBP
$206 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£154 GBP
$206 USD
View
Retailer 6
-
£159 GBP
$213 USD
View
Price last confirmed 41 days ago
A
Retailer 7
-
£271 GBP
View
A
Retailer 8
-
£277 GBP
$371 USD
View
A
Retailer 9
-
£283 GBP
View
B+
Retailer 10
-
£286 GBP
$383 USD
View
B+
Retailer 11
-
£304 GBP
€388 EUR
View
B+
Retailer 12
-
£340 GBP
$455 USD
View
B+
Retailer 13
-
£373 GBP
A$768 AUD
View
B+
Retailer 14
-
£377 GBP
$505 USD
View
B
Retailer 15
-
£496 GBP
$664 USD
View
B
Retailer 16
-
£516 GBP
$691 USD
View
Retailer 17
-
£516 GBP
$692 USD
View
Price last confirmed 42 days ago
B
Retailer 18
-
£523 GBP
$701 USD
View
Retailer 19
-
£536 GBP
$719 USD
View
Price last confirmed 15 days ago
B
Retailer 20
-
£597 GBP
$800 USD
View
Most Expensive
B
MOH London
LG735579971 · Oct 29
£724 GBP
View
20 more retailers have this diamond
Prices start from £125 GBPSave up to £600 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
£125 GBP