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Heart|Lab Grown|IGI

1.20ct F VS2 Heart Lab Grown Diamond

EX • F/VS2 • IGI LG704583973

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG704583973

Diamond specifications and retailer prices

From £229 GBP
As of November 4, 2026
Save £561 GBP (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £790 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 LG704583973 or 704583973. Listed at 11 retailers as of November 4, 2026, with prices from £229 to £790, a £561 spread on the same certified stone. MOH London lists it at £790. 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 angle32.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704583973
Dimensions6.20 × 7.42 × 4.47 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.20 mm7.42 mm1.20 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704583973
Side View
Table 56.0%Crown 32.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.2%

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: Nov 4
Current: £790 GBP|Low: £224 GBP|High: £810 GBP|Avg: £446 GBP|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6£229 GBP
Retailer 8£238 GBP
Retailer 2£303 GBP
Retailer 9£328 GBP
Retailer 10£395 GBP
Retailer 4£403 GBP
Retailer 5£483 GBP
Retailer 7£566 GBP
Retailer 3£584 GBP
MOH London£790 GBP

45 data points across 10 retailers

11 retailers£229 GBP to £790 GBP

B+
Cheapest Retailer
-
£229 GBP
A
Retailer 2
-
£238 GBP
View
B+
Retailer 3
-
£303 GBP
View
B+
Retailer 4
-
£328 GBP
View
B+
Retailer 5
-
£395 GBP
View
B+
Retailer 6
-
£403 GBP
View
Retailer 7
-
£483 GBP
View
Price last confirmed 12 days ago
B
Retailer 8
-
£549 GBP
View
B
Retailer 9
-
£566 GBP
View
B
Retailer 10
-
£584 GBP
View
Most Expensive
B
MOH London
LG704583973 · Nov 5
£790 GBP
View
10 more retailers have this diamond
Prices start from £229 GBPSave up to £561 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
£229 GBP