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Radiant|Lab Grown|IGI

1.28ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG648434606

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG648434606

Diamond specifications and retailer prices

From £388 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £388 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG648434606 or 648434606. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648434606
Dimensions7.77 × 5.49 × 3.58 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.77 mm5.49 mm1.28 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648434606
Side View
Table 64.0%Crown 42.6°Girdle: MediumPavilion 35.7°CuletDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £388 GBP|Low: £388 GBP|High: £388 GBP|Avg: £388 GBP
September 26, 2026
Diamond Quarter£388 GBP

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.28VS2FLG069057N · Nov 2
£388 GBP
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B+
1.28ct Radiant
£388 GBP