Radiant|Lab Grown|IGI

1.25ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG805676048

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

Certificate IGI LG805676048

Diamond specifications and retailer prices

From £159 GBP
$213 USD
As of October 30, 2026
Save £729 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £888 GBP at Brilliant Earth · As of October 30, 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 LG805676048 or 805676048. Listed at 12 retailers as of October 30, 2026, with prices from £159 to £888, a £729 spread on the same certified stone. Brilliant Earth lists it at £888. 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 angle45.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805676048
Dimensions7.55 × 5.34 × 3.63 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm5.34 mm1.25 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805676048
Side View
Table 66.0%Crown 45.9°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 68.0%

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: Oct 30
Current: £888 GBP|Low: £159 GBP|High: £896 GBP|Avg: £484 GBP|-0.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£159 GBP
Retailer 2£222 GBP
Retailer 7£303 GBP
Retailer 3£310 GBP
Retailer 5£321 GBP
Retailer 9£343 GBP
Retailer 8£431 GBP
Retailer 4£481 GBP
Retailer 10£570 GBP
Retailer 6£830 GBP
Retailer 12£869 GBP
Brilliant Earth£888 GBP

13 data points across 12 retailers

12 retailers£159 GBP to £888 GBP

A
Cheapest Retailer
-
£159 GBP
$213 USD
Final sale: no returns
A
Retailer 2
-
£222 GBP
View
A
Retailer 3
-
£303 GBP
ZAR 6,568 ZAR
View
A
Retailer 4
-
£310 GBP
$415 USD
View
A
Retailer 5
-
£321 GBP
View
A
Retailer 6
-
£343 GBP
$459 USD
View
B+
Retailer 7
-
£431 GBP
A$889 AUD
View
Retailer 8
-
£481 GBP
$645 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
£570 GBP
$764 USD
View
B
Retailer 10
-
£830 GBP
View
B
Retailer 11
-
£869 GBP
$1,165 USD
View
Most Expensive
B
Brilliant Earth
22162980A · Oct 30
£888 GBP
$1,190 USD
View
11 more retailers have this diamond
Prices start from £159 GBPSave up to £729 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
1.25ct Radiant
£159 GBP