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Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG566310953

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

Certificate IGI LG566310953

Diamond specifications and retailer prices

From €125 EUR
$140 USD
As of November 2, 2026
Save €1,079 EUR (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,204 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG566310953 or 566310953. Listed at 15 retailers as of November 2, 2026, with prices from €125 to €1,204, a €1,079 spread on the same certified stone. Do Amore Diamonds lists it at €1,204. 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 angle42.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566310953
Dimensions7.48 × 4.99 × 3.41 mm
L/W Ratio1.50
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
7.48 mm4.99 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566310953
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 35°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €222 EUR|Low: €120 EUR|High: €811 EUR|Avg: €319 EUR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10€125 EUR
Retailer 4€140 EUR
Retailer 2€145 EUR
Retailer 3€155 EUR
Retailer 11€155 EUR
Retailer 1€222 EUR
Retailer 13€289 EUR
Retailer 6€300 EUR
Retailer 7€326 EUR
Retailer 5€444 EUR
Retailer 9€528 EUR
Retailer 12€551 EUR
Retailer 8€806 EUR

45 data points across 13 retailers

15 retailers€125 EUR to €1,204 EUR

A
Cheapest Retailer
-
€125 EUR
$140 USD
A
Retailer 2
-
€140 EUR
$157 USD
View
Final sale: no returns
A
Retailer 3
-
€145 EUR
$163 USD
View
Retailer 4
-
€155 EUR
$174 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€155 EUR
$174 USD
View
A
Retailer 6
-
€222 EUR
£196 GBP
View
A
Retailer 7
-
€234 EUR
$263 USD
View
B+
Retailer 8
-
€289 EUR
$324 USD
View
A
Retailer 9
-
€300 EUR
£265 GBP
View
A
Retailer 10
-
€326 EUR
£288 GBP
View
B+
Retailer 11
-
€444 EUR
$498 USD
View
B+
Retailer 12
-
€528 EUR
$592 USD
View
B
Retailer 13
-
€551 EUR
$618 USD
View
B
Retailer 14
-
€806 EUR
£712 GBP
View
Most Expensive
B
Do Amore Diamonds
27-965C3C97B · Nov 2
€1,204 EUR
$1,350 USD
View
14 more retailers have this diamond
Prices start from €125 EURSave up to €1,079 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.

A
1.09ct Radiant
€125 EUR