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Round|Lab Grown|IGI

1.20ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG818686593

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686593

Diamond specifications and retailer prices

From £149 GBP
$200 USD
As of October 29, 2026
Save £718 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £867 GBP at MOH London · As of October 26, 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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686593 or 818686593. Listed at 14 retailers as of October 26, 2026, with prices from £149 to £867, a £718 spread on the same certified stone. MOH London lists it at £867. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686593
Dimensions6.93 × 6.88 × 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
6.93 mm6.88 mm1.20 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686593
Side View
Table 57.0%Crown 33.3°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.4%

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: Oct 29
Current: £867 GBP|Low: £149 GBP|High: £877 GBP|Avg: £453 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
October 29, 2026
Retailer 6£149 GBP
Retailer 8£185 GBP
Retailer 3£311 GBP
Retailer 9£322 GBP
Retailer 2£339 GBP
Retailer 4£373 GBP
Retailer 7£410 GBP
Retailer 5£476 GBP
Retailer 11£635 GBP
Retailer 10£666 GBP
MOH London£867 GBP

22 data points across 11 retailers

14 retailers£149 GBP to £867 GBP

A
Cheapest Retailer
-
£149 GBP
$200 USD
A
Retailer 2
-
£173 GBP
$232 USD
View
A
Retailer 3
-
£185 GBP
$248 USD
View
A
Retailer 4
-
£185 GBP
$248 USD
View
A
Retailer 5
-
£311 GBP
$417 USD
View
A
Retailer 6
-
£322 GBP
$431 USD
View
B+
Retailer 7
-
£339 GBP
€433 EUR
View
Retailer 8
-
£373 GBP
$500 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
£410 GBP
$550 USD
View
B+
Retailer 10
-
£476 GBP
$638 USD
View
B
Retailer 11
-
£596 GBP
$798 USD
View
B
Retailer 12
-
£635 GBP
$851 USD
View
B
Retailer 13
-
£680 GBP
$911 USD
View
Most Expensive
B
MOH London
LG818686593 · Oct 26
£867 GBP
View
13 more retailers have this diamond
Prices start from £149 GBPSave up to £718 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
£149 GBP