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Heart|Lab Grown|IGI

1.27ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG769606976

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG769606976

Diamond specifications and retailer prices

From £173 GBP
As of November 2, 2026
Save £686 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £859 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG769606976 or 769606976. Listed at 20 retailers as of November 2, 2026, with prices from £173 to £859, a £686 spread on the same certified stone. MOH London lists it at £859. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769606976
Dimensions6.84 × 7.36 × 4.36 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm7.36 mm1.27 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769606976
Side View
Table 64.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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 2
Current: £859 GBP|Low: £166 GBP|High: £871 GBP|Avg: £430 GBP|-1.3%
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
November 5, 2026
Retailer 11£173 GBP
Retailer 4£201 GBP
Retailer 5£215 GBP
Retailer 14£215 GBP
Retailer 12£303 GBP
Retailer 10£350 GBP
Retailer 9£371 GBP
Retailer 2£401 GBP
Retailer 6£450 GBP
Retailer 8£526 GBP
Retailer 13£669 GBP
Retailer 3£690 GBP
Retailer 7£693 GBP
MOH London£859 GBP

45 data points across 14 retailers

20 retailers£173 GBP to £859 GBP

A
Cheapest Retailer
-
£173 GBP
A
Retailer 2
-
£201 GBP
View
A
Retailer 3
-
£215 GBP
View
Retailer 4
-
£215 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£303 GBP
View
A
Retailer 6
-
£350 GBP
View
B+
Retailer 7
-
£363 GBP
View
B+
Retailer 8
-
£371 GBP
View
B+
Retailer 9
-
£401 GBP
View
B+
Retailer 10
-
£450 GBP
View
B+
Retailer 11
-
£526 GBP
View
B
Retailer 12
-
£571 GBP
View
B
Retailer 13
-
£669 GBP
View
B
Retailer 14
-
£690 GBP
View
B
Retailer 15
-
£693 GBP
View
B
Retailer 16
-
£695 GBP
View
B
Retailer 17
-
£729 GBP
View
B
Retailer 18
-
£760 GBP
View
Most Expensive
B
MOH London
LG769606976 · Nov 5
£859 GBP
View
18 more retailers have this diamond
Prices start from £173 GBPSave up to £686 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
1.27ct Heart
£173 GBP