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Radiant|Lab Grown|GIA

1.28ct E VVS1 Radiant Lab Grown Diamond

E/VVS1

Diamond specifications and retailer prices

From £1,410 GBP
CA$2,624 CAD
As of October 30, 2026
Save £625 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,034 GBP at The Diamond Guys · As of October 30, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included) and certified by GIA. Listed at 2 retailers as of October 30, 2026, with prices from £1,410 to £2,034, a £625 spread on the same certified stone. The Diamond Guys lists it at £2,034. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions7.75 × 5.28 × 3.59 mm
L/W Ratio1.47
Top View
7.75 mm5.28 mm1.28 ctE / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCuletDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,410 GBP|Low: £635 GBP|High: £2,149 GBP|Avg: £1,180 GBP
Retailer 1
Retailer 2
The Diamond Guys
September 4, 2026
Retailer 2£635 GBP
Retailer 1£1,410 GBP
The Diamond Guys£2,034 GBP

8 data points across 3 retailers

2 retailers£1,410 GBP to £2,034 GBP

B
Cheapest Retailer
-
£1,410 GBP
CA$2,624 CAD
Most Expensive
C
The Diamond Guys
1842030073 · Oct 30
£2,034 GBP
$2,726 USD
View
1 more retailer has this diamond
Prices start from £1,410 GBPSave up to £625 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.

B
1.28ct Radiant
£1,410 GBP