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Round|Lab Grown|IGI

1.20ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG646480645

Shape and cutting style on the report: Round brilliant

Certificate IGI LG646480645

Diamond specifications and retailer prices

From £136 GBP
$182 USD
As of November 1, 2026
Save £651 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £786 GBP at MOH London · As of November 1, 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 LG646480645 or 646480645. Listed at 20 retailers as of November 1, 2026, with prices from £136 to £786, a £651 spread on the same certified stone. MOH London lists it at £786. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646480645
Dimensions6.90 × 6.88 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.88 mm1.20 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646480645
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
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: £786 GBP|Low: £130 GBP|High: £796 GBP|Avg: £329 GBP|-0.1%
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
November 1, 2026
Retailer 12£136 GBP
Retailer 3£152 GBP
Retailer 5£157 GBP
Retailer 7£168 GBP
Retailer 15£168 GBP
Retailer 13£237 GBP
Retailer 9£282 GBP
Retailer 8£303 GBP
Retailer 2£309 GBP
Retailer 10£380 GBP
Retailer 4£408 GBP
Retailer 11£423 GBP
Retailer 14£484 GBP
Retailer 6£541 GBP
MOH London£786 GBP

45 data points across 15 retailers

20 retailers£136 GBP to £786 GBP

A
Cheapest Retailer
-
£136 GBP
$182 USD
A
Retailer 2
-
£152 GBP
$204 USD
View
Final sale: no returns
A
Retailer 3
-
£157 GBP
$211 USD
View
A
Retailer 4
-
£168 GBP
$226 USD
View
Retailer 5
-
£168 GBP
$226 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£237 GBP
$318 USD
View
A
Retailer 7
-
£282 GBP
€361 EUR
View
A
Retailer 8
-
£289 GBP
$388 USD
View
B+
Retailer 9
-
£303 GBP
View
A
Retailer 10
-
£309 GBP
View
Retailer 11
-
£324 GBP
A$670 AUD
View
Price last confirmed 122 days ago
B+
Retailer 12
-
£380 GBP
$510 USD
View
B+
Retailer 13
-
£408 GBP
$547 USD
View
B+
Retailer 14
-
£423 GBP
$568 USD
View
B
Retailer 15
-
£484 GBP
$650 USD
View
B
Retailer 16
-
£541 GBP
$726 USD
View
B
Retailer 17
-
£550 GBP
SGD 998 SGD
View
B
Retailer 18
-
£572 GBP
$768 USD
View
B
Retailer 19
-
£581 GBP
$780 USD
View
Most Expensive
B
MOH London
LG646480645 · Nov 1
£786 GBP
View
19 more retailers have this diamond
Prices start from £136 GBPSave up to £651 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
£136 GBP