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Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG614320094

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

Certificate IGI LG614320094

Diamond specifications and retailer prices

From €589 EUR
£521 GBP
As of November 2, 2026
8 retailers carry this diamond
Most expensive: €861 EUR at MOH London · As of October 15, 2026
View at MOH London

About this 1.09ct lab-grown radiant diamond

This 1.09ct 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 LG614320094 or 614320094. Listed at 8 retailers as of November 2, 2026. 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

1.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614320094
Dimensions7.20 × 5.04 × 3.43 mm
L/W Ratio1.43
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
7.20 mm5.04 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614320094
Side View
Table 64.0%Crown 45.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.1%

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: €861 EUR|Low: €127 EUR|High: €1,275 EUR|Avg: €496 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 16, 2026
Retailer 5€133 EUR
Retailer 11€149 EUR
Retailer 10€154 EUR
Retailer 4€238 EUR
Retailer 8€302 EUR
Retailer 6€517 EUR
Retailer 2€560 EUR
Retailer 7€585 EUR
Retailer 9€620 EUR
MOH London€861 EUR
Retailer 3€1,275 EUR

25 data points across 11 retailers

8 retailers

Retailer 1
-
€133 EUR
$149 USD
Price last confirmed 25 days ago
Retailer 2
-
€154 EUR
$173 USD
View
Price last confirmed 20 days ago
Retailer 3
-
€302 EUR
$339 USD
View
Price last confirmed 17 days ago
Retailer 4
-
€517 EUR
$580 USD
View
Price last confirmed 18 days ago
Retailer 5
-
€560 EUR
$628 USD
View
Price last confirmed 17 days ago
Retailer 6
-
€585 EUR
$656 USD
View
Price last confirmed 33 days ago
B
Retailer 7
-
€589 EUR
£521 GBP
View
Most Expensive
MOH London
LG614320094 · Oct 15
€861 EUR
£760 GBP
View
Price last confirmed 19 days ago
7 more retailers have this diamond
Prices start from €589 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
1.09ct Radiant
€589 EUR