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Radiant|Lab Grown|IGI

2.60ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG660487881

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

Certificate IGI LG660487881

Diamond specifications and retailer prices

From $831 USD
£654 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $831 USD 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 2.6ct lab-grown radiant diamond

This 2.6ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660487881 or 660487881. Listed at a single retailer as of November 2, 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

2.60
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660487881
Dimensions9.70 × 6.96 × 4.56 mm
L/W Ratio1.39
Top View
9.70 mm6.96 mm2.60 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660487881
Side View
Table 63.0%Crown 41.4°Girdle: MediumPavilion 35.6°Culet: NoneDepth 65.5%

Caratlytics Score

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

Last verified: Nov 2
Current: $831 USD|Low: $627 USD|High: $831 USD|Avg: $653 USD
Diamond Quarter
Retailer 2
September 26, 2026
Retailer 2$627 USD
Diamond Quarter$831 USD

7 data points across 2 retailers

1 retailer

B+
Diamond Quarter
2.6SI1FLG8171E9N · Nov 2
$831 USD
£654 GBP
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B+
2.60ct Radiant
$831 USD