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Radiant|Lab Grown|IGI

3.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG671467361

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

Certificate IGI LG671467361

Diamond specifications and retailer prices

From £934 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: £934 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 3.05ct lab-grown radiant diamond

This 3.05ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG671467361 or 671467361. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671467361
Dimensions10.26 × 7.12 × 4.77 mm
L/W Ratio1.44
Culet sizePointed
Top View
10.26 mm7.12 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671467361
Side View
Table 65.0%Crown 46.3°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.0%

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: £486 GBP|Low: £143 GBP|High: £3,549 GBP|Avg: £735 GBP|-8.7%
Retailer 1
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Retailer 5
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Retailer 9
Retailer 10
September 13, 2026
Retailer 6£181 GBP
Retailer 3£284 GBP
Retailer 5£441 GBP
Retailer 1£486 GBP
Retailer 2£619 GBP
Retailer 7£713 GBP
Retailer 9£731 GBP
Retailer 8£941 GBP
Retailer 10£1,118 GBP
Retailer 4£2,017 GBP

75 data points across 10 retailers

1 retailer

B
Diamond Quarter
3.05SI1ELG61CB40N · Nov 5
£934 GBP
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B
3.05ct Radiant
£934 GBP