Radiant|Lab Grown|IGI

1.25ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG812608272

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

Certificate IGI LG812608272

Diamond specifications and retailer prices

From £402 GBP
$538 USD
As of October 24, 2026
Save £479 GBP (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £881 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812608272 or 812608272. Listed at 10 retailers as of October 24, 2026, with prices from £402 to £881, a £479 spread on the same certified stone. Brilliant Earth lists it at £881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812608272
Dimensions7.12 × 5.20 × 3.63 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.12 mm5.20 mm1.25 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812608272
Side View
Table 64.0%Crown 39°Girdle: MediumPavilion 30.2°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: £273 GBP|Low: £215 GBP|High: £751 GBP|Avg: £417 GBP|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 24, 2026
Retailer 7£215 GBP
Retailer 1£273 GBP
Retailer 3£284 GBP
Retailer 8£337 GBP
Retailer 6£402 GBP
Retailer 2£481 GBP
Retailer 5£512 GBP
Retailer 9£551 GBP
Retailer 4£746 GBP

34 data points across 9 retailers

10 retailers£402 GBP to £881 GBP

Retailer 1
-
£215 GBP
$288 USD
Price last confirmed 8 days ago
Retailer 2
-
£273 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£284 GBP
€362 EUR
View
Price last confirmed 7 days ago
Retailer 4
-
£337 GBP
$452 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£402 GBP
$538 USD
View
Retailer 6
-
£481 GBP
$645 USD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£512 GBP
A$1,056 AUD
View
Retailer 8
-
£551 GBP
$738 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£746 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
22288448A · Oct 26
£881 GBP
$1,180 USD
View
9 more retailers have this diamond
Prices start from £402 GBPSave up to £479 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+
1.25ct Radiant
£402 GBP