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Heart|Lab Grown|IGI

1.24ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG841643861

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841643861

Diamond specifications and retailer prices

From £151 GBP
As of November 4, 2026
Save £692 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £843 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.24ct lab-grown heart diamond

This 1.24ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841643861 or 841643861. Listed at 10 retailers as of November 4, 2026, with prices from £151 to £843, a £692 spread on the same certified stone. Reve Diamonds lists it at £843. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841643861
Dimensions7.41 × 6.61 × 4.38 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm6.61 mm1.24 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841643861
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.1%

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: £198 GBP|Low: £151 GBP|High: £847 GBP|Avg: £448 GBP|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 5, 2026
Retailer 8£151 GBP
Retailer 1£198 GBP
Retailer 6£227 GBP
Retailer 2£299 GBP
Retailer 5£336 GBP
Retailer 9£548 GBP
Retailer 4£568 GBP
Retailer 7£577 GBP
Retailer 3£782 GBP
Reve Diamonds£843 GBP

35 data points across 10 retailers

10 retailers£151 GBP to £843 GBP

A
Cheapest Retailer
-
£151 GBP
Final sale: no returns
A
Retailer 2
-
£198 GBP
View
B+
Retailer 3
-
£227 GBP
View
A
Retailer 4
-
£299 GBP
View
B+
Retailer 5
-
£336 GBP
View
B
Retailer 6
-
£548 GBP
View
B
Retailer 7
-
£568 GBP
View
B
Retailer 8
-
£577 GBP
View
B
Retailer 9
-
£782 GBP
View
Most Expensive
B
Reve Diamonds
3585B2C1E · Nov 4
£843 GBP
$1,135 USD
View
9 more retailers have this diamond
Prices start from £151 GBPSave up to £692 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
1.24ct Heart
£151 GBP