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Radiant|Lab Grown|IGI

3.06ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG517200625

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

Certificate IGI LG517200625

Diamond specifications and retailer prices

From £1,845 GBP
As of November 6, 2026
11 retailers carry this diamond
Most expensive: £13,217 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.06ct lab-grown radiant diamond

This 3.06ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517200625 or 517200625. Listed at 11 retailers as of November 6, 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

3.06
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle28.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200625
Dimensions8.98 × 7.02 × 4.89 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.98 mm7.02 mm3.06 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200625
Side View
Table 62.0%Crown 45.3°Girdle: THK-VTKPavilion 28.2°Culet: NoneDepth 69.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £13,217 GBP|Low: £1,845 GBP|High: £13,430 GBP|Avg: £7,561 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£1,845 GBP
Retailer 5£6,155 GBP
Retailer 8£6,893 GBP
Retailer 6£7,139 GBP
Retailer 4£7,941 GBP
Retailer 7£8,262 GBP
Retailer 2£8,525 GBP
MOH London£13,217 GBP

39 data points across 8 retailers

11 retailers

B
Cheapest Retailer
-
£1,845 GBP
Retailer 2
-
£6,155 GBP
View
Price under review
Retailer 3
-
£6,400 GBP
View
Price under review
Retailer 4
-
£6,893 GBP
View
Price under review
Final sale: no returns
Retailer 5
-
£7,139 GBP
View
Price under review
Retailer 6
-
£7,139 GBP
View
Price under review
Most Expensive
MOH London
LG517200625 · Nov 5
£13,217 GBP
View
Price under review
6 more retailers have this diamond
Prices start from £1,845 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
3.06ct Radiant
£1,845 GBP