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Radiant|Lab Grown|IGI

0.98ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG626425555

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

Certificate IGI LG626425555

Diamond specifications and retailer prices

From $417 USD
£329 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $417 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 0.98ct lab-grown radiant diamond

This 0.98ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626425555 or 626425555. 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

0.98
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626425555
Dimensions7.19 × 4.85 × 3.20 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.19 mm4.85 mm0.98 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626425555
Side View
Table 66.0%Crown 43.7°Girdle: MediumPavilion 34.6°CuletDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $417 USD|Low: $417 USD|High: $417 USD|Avg: $417 USD
September 26, 2026
Diamond Quarter$417 USD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
0.98SI1FLG55340EN · Nov 2
$417 USD
£329 GBP
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B+
0.98ct Radiant
$417 USD