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Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG801669597

Certificate IGI LG801669597

Diamond specifications and retailer prices

From £214 GBP
As of October 30, 2026
Save £386 GBP (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £599 GBP at With Clarity · As of October 29, 2026
View at With Clarity

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801669597 or 801669597. Listed at 6 retailers as of October 29, 2026, with prices from £214 to £599, a £386 spread on the same certified stone. With Clarity lists it at £599. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG801669597
Dimensions7.60 × 5.29 × 3.66 mm
L/W Ratio1.44
Top View
7.60 mm5.29 mm1.28 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801669597
Side View
Table 65.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £500 GBP|Low: £214 GBP|High: £599 GBP|Avg: £403 GBP|-16.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
October 30, 2026
Retailer 2£214 GBP
Retailer 5£240 GBP
Retailer 3£324 GBP
Retailer 4£358 GBP
Retailer 1£500 GBP
With Clarity£599 GBP

4 data points across 6 retailers

6 retailers£214 GBP to £599 GBP

A
Cheapest Retailer
-
£214 GBP
B+
Retailer 2
-
£240 GBP
$322 USD
View
A
Retailer 3
-
£324 GBP
View
B+
Retailer 4
-
£358 GBP
$480 USD
View
B+
Retailer 5
-
£500 GBP
$670 USD
View
Most Expensive
B
With Clarity
801669597 · Oct 29
£599 GBP
$803 USD
View
5 more retailers have this diamond
Prices start from £214 GBPSave up to £386 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
£214 GBP