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Round|Lab Grown|IGI

1.27ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG675561079

Shape and cutting style on the report: Round brilliant

Certificate IGI LG675561079

Diamond specifications and retailer prices

From £187 GBP
As of November 3, 2026
Save £742 GBP (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £929 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round 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 LG675561079 or 675561079. Listed at 24 retailers as of November 2, 2026, with prices from £187 to £929, a £742 spread on the same certified stone. MOH London lists it at £929. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675561079
Dimensions7.02 × 7.00 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm7.00 mm1.27 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675561079
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.7%

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 3
Current: £929 GBP|Low: £187 GBP|High: £940 GBP|Avg: £465 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12£187 GBP
Retailer 3£326 GBP
Retailer 11£352 GBP
Retailer 8£376 GBP
Retailer 6£385 GBP
Retailer 5£399 GBP
Retailer 10£400 GBP
Retailer 2£436 GBP
Retailer 9£567 GBP
Retailer 4£689 GBP
Retailer 7£712 GBP
MOH London£929 GBP

34 data points across 12 retailers

24 retailers£187 GBP to £929 GBP

A
Cheapest Retailer
-
£187 GBP
A
Retailer 2
-
£210 GBP
View
Final sale: no returns
A
Retailer 3
-
£217 GBP
View
A
Retailer 4
-
£232 GBP
View
Retailer 5
-
£232 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£326 GBP
View
A
Retailer 7
-
£333 GBP
View
B+
Retailer 8
-
£352 GBP
View
B+
Retailer 9
-
£376 GBP
View
Retailer 10
-
£377 GBP
View
Price last confirmed 126 days ago
B+
Retailer 11
-
£385 GBP
View
B+
Retailer 12
-
£399 GBP
View
B+
Retailer 13
-
£400 GBP
View
B+
Retailer 14
-
£436 GBP
View
B+
Retailer 15
-
£476 GBP
View
B+
Retailer 16
-
£567 GBP
View
B
Retailer 17
-
£593 GBP
View
B
Retailer 18
-
£689 GBP
View
B
Retailer 19
-
£712 GBP
View
B
Retailer 20
-
£745 GBP
View
B
Retailer 21
-
£749 GBP
View
B
Retailer 22
-
£783 GBP
View
B
Retailer 23
-
£829 GBP
View
Most Expensive
B
MOH London
LG675561079 · Nov 2
£929 GBP
View
23 more retailers have this diamond
Prices start from £187 GBPSave up to £742 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 Round
£187 GBP