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Oval|Lab Grown|IGI

1.28ct F VVS1 Oval Lab Grown Diamond

ID • F/VVS1 • IGI LG800632126

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800632126

Diamond specifications and retailer prices

From £353 GBP
As of November 4, 2026
Save £477 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £829 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800632126 or 800632126. Listed at 7 retailers as of November 4, 2026, with prices from £353 to £829, a £477 spread on the same certified stone. MOH London lists it at £829. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800632126
Dimensions8.79 × 6.07 × 3.82 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm6.07 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800632126
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

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: £829 GBP|Low: £334 GBP|High: £841 GBP|Avg: £555 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£353 GBP
Retailer 2£383 GBP
Retailer 5£444 GBP
Retailer 6£472 GBP
Retailer 3£628 GBP
Retailer 7£705 GBP
MOH London£829 GBP

30 data points across 7 retailers

7 retailers£353 GBP to £829 GBP

A
Cheapest Retailer
-
£353 GBP
A
Retailer 2
-
£383 GBP
View
A
Retailer 3
-
£444 GBP
View
B+
Retailer 4
-
£472 GBP
View
B+
Retailer 5
-
£628 GBP
View
B
Retailer 6
-
£705 GBP
View
Most Expensive
B
MOH London
LG800632126 · Nov 5
£829 GBP
View
6 more retailers have this diamond
Prices start from £353 GBPSave up to £477 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 Oval
£353 GBP