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Radiant|Lab Grown|IGI

3.06ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • IGI LG680591143

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

Certificate IGI LG680591143

Diamond specifications and retailer prices

From $1,404 AUD
£760 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: $1,404 AUD 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 3.06ct lab-grown radiant diamond

This 3.06ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG680591143 or 680591143. 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

3.06
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680591143
Dimensions10.30 × 7.09 × 4.84 mm
L/W Ratio1.45
Top View
10.30 mm7.09 mm3.06 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680591143
Side View
Table 66.0%Crown 45.9°Girdle: MediumPavilion 34.6°CuletDepth 68.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $1,404 AUD|Low: $1,404 AUD|High: $1,404 AUD|Avg: $1,404 AUD
September 26, 2026
Diamond Quarter$1,404 AUD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
3.06SI1HLG4319DCN · Nov 5
$1,404 AUD
£760 GBP
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B+
3.06ct Radiant
$1,404 AUD