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Heart|Lab Grown|IGI

1.42ct F VS2 Heart Lab Grown Diamond

ID • F/VS2 • IGI LG818619556

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818619556

Diamond specifications and retailer prices

From £325 GBP
As of November 4, 2026
Save £551 GBP (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £876 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.42ct lab-grown heart diamond

This 1.42ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818619556 or 818619556. Listed at 7 retailers as of November 4, 2026, with prices from £325 to £876, a £551 spread on the same certified stone. MOH London lists it at £876. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818619556
Dimensions7.65 × 7.10 × 4.54 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm7.10 mm1.42 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818619556
Side View
Table 63.0%Crown 31.7°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £876 GBP|Low: £303 GBP|High: £889 GBP|Avg: £508 GBP|+14.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£325 GBP
Retailer 2£342 GBP
Retailer 4£375 GBP
Retailer 7£440 GBP
Retailer 3£568 GBP
Retailer 6£643 GBP
MOH London£876 GBP

42 data points across 7 retailers

7 retailers£325 GBP to £876 GBP

A
Cheapest Retailer
-
£325 GBP
A
Retailer 2
-
£342 GBP
View
A
Retailer 3
-
£375 GBP
View
B+
Retailer 4
-
£440 GBP
View
Retailer 5
-
£568 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£643 GBP
View
Most Expensive
B
MOH London
LG818619556 · Nov 5
£876 GBP
View
6 more retailers have this diamond
Prices start from £325 GBPSave up to £551 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
1.42ct Heart
£325 GBP