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Radiant|Lab Grown|IGI

3.01ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG640454689

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

Certificate IGI LG640454689

Diamond specifications and retailer prices

From £1,529 GBP
As of November 5, 2026
Save £1,273 GBP (45%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,802 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown radiant diamond

This 3.01ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640454689 or 640454689. Listed at 2 retailers as of November 5, 2026, with prices from £1,529 to £2,802, a £1,273 spread on the same certified stone. Brilliant Earth lists it at £2,802. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640454689
Dimensions10.38 × 7.10 × 4.72 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.10 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640454689
Side View
Table 67.0%Crown 42.8°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £2,802 GBP|Low: £397 GBP|High: £3,676 GBP|Avg: £1,534 GBP|+10.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 4, 2026
Retailer 6£397 GBP
Retailer 2£493 GBP
Retailer 7£645 GBP
Retailer 3£835 GBP
Retailer 5£1,258 GBP
Retailer 4£1,469 GBP
Retailer 8£1,969 GBP
Brilliant Earth£2,802 GBP

43 data points across 8 retailers

2 retailers£1,529 GBP to £2,802 GBP

B
Cheapest Retailer
-
£1,529 GBP
Most Expensive
B
Brilliant Earth
18984416B · Nov 6
£2,802 GBP
$3,750 USD
View
1 more retailer has this diamond
Prices start from £1,529 GBPSave up to £1,273 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
3.01ct Radiant
£1,529 GBP