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Radiant|Lab Grown|IGI

1.30ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG646460416

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

Certificate IGI LG646460416

Diamond specifications and retailer prices

From $846 NZD
£369 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: $846 NZD 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 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG646460416 or 646460416. 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

1.30
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646460416
Dimensions7.76 × 5.36 × 3.60 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.36 mm1.30 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646460416
Side View
Table 66.0%Crown 44.4°Girdle: Slightly ThickPavilion 35.1°CuletDepth 67.2%

Caratlytics Score

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

Last verified: Nov 5
Current: $846 NZD|Low: $846 NZD|High: $846 NZD|Avg: $846 NZD
September 26, 2026
Diamond Quarter$846 NZD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.3SI1FLG16F496N · Nov 5
$846 NZD
£369 GBP
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B+
1.30ct Radiant
$846 NZD