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Radiant|Lab Grown|IGI

1.01ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG579399543

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

Certificate IGI LG579399543

Diamond specifications and retailer prices

From €528 EUR
As of November 6, 2026
Save €26 EUR (5%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €555 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579399543 or 579399543. Listed at 2 retailers as of November 5, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579399543
Dimensions7.14 × 4.96 × 3.37 mm
L/W Ratio1.44
Culet sizePointed
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
7.14 mm4.96 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579399543
Side View
Table 63.0%Crown 40.2°Girdle: MediumPavilion 34.1°Culet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €1,155 EUR|Low: €230 EUR|High: €1,254 EUR|Avg: €453 EUR|-7.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
April 23, 2026
Retailer 4€236 EUR
Retailer 3€272 EUR
Retailer 8€302 EUR
Retailer 2€327 EUR
Retailer 7€386 EUR
Retailer 10€388 EUR
Retailer 5€406 EUR
Retailer 9€454 EUR
Retailer 6€528 EUR
Retailer 1€1,155 EUR

59 data points across 10 retailers

2 retailers€528 EUR to €555 EUR

B
Cheapest Retailer
-
€528 EUR
Most Expensive
B
Diamond Quarter
1.01SI1FLG436C38N · Nov 5
€555 EUR
£488 GBP
View
1 more retailer has this diamond
Prices start from €528 EURSave up to €26 EUR

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
1.01ct Radiant
€528 EUR