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Heart|Lab Grown|IGI

1.20ct F VS2 Heart Lab Grown Diamond

EX • F/VS2 • IGI LG618484814

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG618484814

Diamond specifications and retailer prices

From £188 GBP
As of November 4, 2026
Save £743 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £931 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart 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 LG618484814 or 618484814. Listed at 15 retailers as of November 4, 2026, with prices from £188 to £931, a £743 spread on the same certified stone. MOH London lists it at £931. 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 angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618484814
Dimensions6.71 × 7.54 × 4.14 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.71 mm7.54 mm1.20 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618484814
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 54.9%

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 4
Current: £931 GBP|Low: £188 GBP|High: £1,005 GBP|Avg: £433 GBP|-7.3%
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 5, 2026
Retailer 12£188 GBP
Retailer 4£210 GBP
Retailer 9£218 GBP
Retailer 3£233 GBP
Retailer 7£236 GBP
Retailer 13£241 GBP
Retailer 2£296 GBP
Retailer 14£345 GBP
Retailer 6£353 GBP
Retailer 11£420 GBP
Retailer 8£437 GBP
Retailer 10£715 GBP
Retailer 5£749 GBP
Retailer 15£787 GBP
MOH London£931 GBP

29 data points across 15 retailers

15 retailers£188 GBP to £931 GBP

A
Cheapest Retailer
-
£188 GBP
A
Retailer 2
-
£210 GBP
View
Final sale: no returns
A
Retailer 3
-
£218 GBP
View
A
Retailer 4
-
£233 GBP
View
Retailer 5
-
£236 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£241 GBP
View
A
Retailer 7
-
£296 GBP
View
B+
Retailer 8
-
£345 GBP
View
B+
Retailer 9
-
£353 GBP
View
B+
Retailer 10
-
£420 GBP
View
B+
Retailer 11
-
£437 GBP
View
B
Retailer 12
-
£715 GBP
View
B
Retailer 13
-
£749 GBP
View
B
Retailer 14
-
£787 GBP
View
Most Expensive
B
MOH London
LG618484814 · Nov 5
£931 GBP
View
14 more retailers have this diamond
Prices start from £188 GBPSave up to £743 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 Heart
£188 GBP