Radiant|Lab Grown|IGI

4.03ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG640417705

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

Certificate IGI LG640417705

Diamond specifications and retailer prices

From $1,481 USD
£1,167 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,481 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 4.03ct lab-grown radiant diamond

This 4.03ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640417705 or 640417705. 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

4.03
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640417705
Dimensions10.79 × 7.96 × 5.37 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm7.96 mm4.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640417705
Side View
Table 65.0%Crown 47.1°Girdle: Slightly ThickPavilion 35.6°CuletDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,481 USD|Low: $1,481 USD|High: $1,481 USD|Avg: $1,481 USD
September 26, 2026
Diamond Quarter$1,481 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
4.03SI1FLG0503DFN · Nov 2
$1,481 USD
£1,167 GBP
View

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B
4.03ct Radiant
$1,481 USD