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Radiant|Lab Grown|IGI

3.08ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG660465933

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

Certificate IGI LG660465933

Diamond specifications and retailer prices

From £965 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £2,115 GBP at Rare Carat
View at Rare Carat

About this 3.08ct lab-grown radiant diamond

This 3.08ct 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 LG660465933 or 660465933. Listed at 2 retailers as of November 2, 2026. 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

3.08
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660465933
Dimensions10.44 × 7.20 × 4.80 mm
L/W Ratio1.45
Culet sizePointed
Top View
10.44 mm7.20 mm3.08 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660465933
Side View
Table 64.0%Crown 42.2°Girdle: MediumPavilion 36.1°Culet: NoneDepth 66.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £2,115 GBP|Low: £333 GBP|High: £2,115 GBP|Avg: £935 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 7, 2026
Retailer 5£397 GBP
Retailer 8£446 GBP
Retailer 3£481 GBP
Retailer 2£592 GBP
Retailer 4£775 GBP
Retailer 7£786 GBP
Retailer 6£936 GBP
Rare Carat£2,115 GBP

52 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
£965 GBP
Most Expensive
Rare Carat
660465933
£2,115 GBP
$2,838 USD
View
1 more retailer has this diamond
Prices start from £965 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+
3.08ct Radiant
£965 GBP