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Radiant|Lab Grown|IGI

4.02ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG680527487

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

Certificate IGI LG680527487

Diamond specifications and retailer prices

From $1,580 USD
£1,244 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,580 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 4.02ct lab-grown radiant diamond

This 4.02ct 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 LG680527487 or 680527487. 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

4.02
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680527487
Dimensions11.41 × 7.85 × 5.12 mm
L/W Ratio1.45
Culet sizePointed
Top View
11.41 mm7.85 mm4.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680527487
Side View
Table 66.0%Crown 42.2°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.2%

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: $1,762 USD|Low: $309 USD|High: $3,498 USD|Avg: $1,123 USD|-36.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
July 15, 2026
Retailer 9$617 USD
Retailer 7$715 USD
Retailer 8$750 USD
Retailer 2$852 USD
Retailer 4$974 USD
Retailer 6$1,031 USD
Retailer 3$1,200 USD
Retailer 1$1,762 USD
Retailer 5$3,304 USD

74 data points across 9 retailers

1 retailer

B
Diamond Quarter
4.02SI1FLG87ED8AN · Nov 2
$1,580 USD
£1,244 GBP
View

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
4.02ct Radiant
$1,580 USD