Radiant|Lab Grown|IGI

1.25ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG845655071

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

Certificate IGI LG845655071

Diamond specifications and retailer prices

From £192 GBP
As of November 5, 2026
Save £439 GBP (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £632 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845655071 or 845655071. Listed at 7 retailers as of November 4, 2026, with prices from £192 to £632, a £439 spread on the same certified stone. Brilliant Earth lists it at £632. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845655071
Dimensions7.69 × 5.32 × 3.64 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm5.32 mm1.25 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845655071
Side View
Table 63.0%Crown 38.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £632 GBP|Low: £192 GBP|High: £632 GBP|Avg: £406 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2£192 GBP
Retailer 5£305 GBP
Retailer 3£313 GBP
Retailer 6£313 GBP
Retailer 7£429 GBP
Retailer 4£562 GBP
Brilliant Earth£632 GBP

6 data points across 7 retailers

7 retailers£192 GBP to £632 GBP

A
Cheapest Retailer
-
£192 GBP
A
Retailer 2
-
£305 GBP
View
A
Retailer 3
-
£313 GBP
View
A
Retailer 4
-
£313 GBP
View
B+
Retailer 5
-
£429 GBP
View
B+
Retailer 6
-
£562 GBP
View
Most Expensive
B
Brilliant Earth
22391337A · Nov 4
£632 GBP
$850 USD
View
6 more retailers have this diamond
Prices start from £192 GBPSave up to £439 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
£192 GBP