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Radiant|Lab Grown|IGI

3.05ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG677570530

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

Certificate IGI LG677570530

Diamond specifications and retailer prices

From €950 EUR
£836 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €950 EUR 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677570530 or 677570530. Listed at a single retailer as of October 31, 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677570530
Dimensions10.29 × 7.09 × 4.78 mm
L/W Ratio1.45
Top View
10.29 mm7.09 mm3.05 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677570530
Side View
Table 68.0%Crown 44°Girdle: Slightly ThickPavilion 35.2°CuletDepth 67.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €950 EUR|Low: €950 EUR|High: €950 EUR|Avg: €950 EUR
September 26, 2026
Diamond Quarter€950 EUR

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
3.05SI1GLG305AFAN · Oct 31
€950 EUR
£836 GBP
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B+
3.05ct Radiant
€950 EUR