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Emerald|Lab Grown|IGI

1.28ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG818606967

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818606967

Diamond specifications and retailer prices

From £139 GBP
As of November 4, 2026
Save £668 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £807 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald 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 LG818606967 or 818606967. Listed at 20 retailers as of November 4, 2026, with prices from £139 to £807, a £668 spread on the same certified stone. MOH London lists it at £807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818606967
Dimensions7.83 × 5.02 × 3.27 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm5.02 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818606967
Side View
Table 60.0%Crown 25.2°Girdle: MED-STKPavilion 41.1°Culet: LargeDepth 65.1%

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 4
Current: £807 GBP|Low: £134 GBP|High: £819 GBP|Avg: £367 GBP|-0.2%
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 16£139 GBP
Retailer 7£162 GBP
Retailer 4£173 GBP
Retailer 6£173 GBP
Retailer 3£233 GBP
Retailer 13£286 GBP
Retailer 11£299 GBP
Retailer 2£310 GBP
Retailer 8£358 GBP
Retailer 10£422 GBP
Retailer 15£470 GBP
Retailer 14£498 GBP
Retailer 12£533 GBP
Retailer 5£556 GBP
Retailer 9£559 GBP
MOH London£807 GBP

46 data points across 16 retailers

20 retailers£139 GBP to £807 GBP

A
Cheapest Retailer
-
£139 GBP
A
Retailer 2
-
£162 GBP
View
Retailer 3
-
£173 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£173 GBP
View
B+
Retailer 5
-
£233 GBP
View
Retailer 6
-
£286 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£299 GBP
View
A
Retailer 8
-
£310 GBP
View
A
Retailer 9
-
£355 GBP
View
A
Retailer 10
-
£358 GBP
View
B+
Retailer 11
-
£422 GBP
View
B+
Retailer 12
-
£444 GBP
View
B+
Retailer 13
-
£470 GBP
View
Retailer 14
-
£498 GBP
View
Price last confirmed 9 days ago
B+
Retailer 15
-
£533 GBP
View
B+
Retailer 16
-
£556 GBP
View
B+
Retailer 17
-
£559 GBP
View
B
Retailer 18
-
£581 GBP
View
B
Retailer 19
-
£596 GBP
View
Most Expensive
B
MOH London
LG818606967 · Nov 5
£807 GBP
View
19 more retailers have this diamond
Prices start from £139 GBPSave up to £668 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
1.28ct Emerald
£139 GBP