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Radiant|Lab Grown|IGI

1.28ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2

Diamond specifications and retailer prices

From £148 GBP
As of November 4, 2026
Save £606 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £753 GBP at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 8 retailers as of November 4, 2026, with prices from £148 to £753, a £606 spread on the same certified stone. The Diamond Guys lists it at £753. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.66 × 5.36 × 3.64 mm
L/W Ratio1.43
Top View
7.66 mm5.36 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.9%

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: £224 GBP|Low: £136 GBP|High: £814 GBP|Avg: £356 GBP|+8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
November 2, 2026
Retailer 4£148 GBP
Retailer 3£171 GBP
Retailer 1£224 GBP
Retailer 5£267 GBP
Retailer 2£569 GBP
Retailer 7£582 GBP
Retailer 6£649 GBP
The Diamond Guys£753 GBP

40 data points across 8 retailers

8 retailers£148 GBP to £753 GBP

A
Cheapest Retailer
-
£148 GBP
A
Retailer 2
-
£171 GBP
View
A
Retailer 3
-
£224 GBP
View
A
Retailer 4
-
£267 GBP
View
B+
Retailer 5
-
£569 GBP
View
Retailer 6
-
£582 GBP
View
Price last confirmed 15 days ago
B
Retailer 7
-
£649 GBP
View
Most Expensive
B
The Diamond Guys
1996214206 · Nov 5
£753 GBP
$1,014 USD
View
7 more retailers have this diamond
Prices start from £148 GBPSave up to £606 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 Radiant
£148 GBP