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Radiant|Lab Grown|IGI

5.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG667457208

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

Certificate IGI LG667457208

Diamond specifications and retailer prices

From €798 EUR
$895 USD
As of October 30, 2026
Save €6,290 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €7,088 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG667457208 or 667457208. Listed at 16 retailers as of October 30, 2026, with prices from €798 to €7,088, a €6,290 spread on the same certified stone. Do Amore Diamonds lists it at €7,088. 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

5.09
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667457208
Dimensions12.19 × 8.53 × 5.83 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm8.53 mm5.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667457208
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 35°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
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: Oct 30
Current: €7,088 EUR|Low: €767 EUR|High: €7,088 EUR|Avg: €1,995 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 11€798 EUR
Retailer 3€868 EUR
Retailer 4€926 EUR
Retailer 12€926 EUR
Retailer 5€1,079 EUR
Retailer 8€1,143 EUR
Retailer 14€1,304 EUR
Retailer 2€1,577 EUR
Retailer 13€1,916 EUR
Retailer 10€2,060 EUR
Retailer 6€2,496 EUR
Retailer 9€2,728 EUR
Retailer 7€3,466 EUR
Do Amore Diamonds€7,088 EUR

43 data points across 14 retailers

16 retailers€798 EUR to €7,088 EUR

A
Cheapest Retailer
-
€798 EUR
$895 USD
A
Retailer 2
-
€868 EUR
$974 USD
View
A
Retailer 3
-
€926 EUR
$1,039 USD
View
Retailer 4
-
€926 EUR
$1,039 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€974 EUR
$1,092 USD
View
B+
Retailer 6
-
€1,079 EUR
$1,210 USD
View
B+
Retailer 7
-
€1,083 EUR
$1,215 USD
View
B+
Retailer 8
-
€1,143 EUR
£1,010 GBP
View
B+
Retailer 9
-
€1,304 EUR
$1,463 USD
View
B+
Retailer 10
-
€1,577 EUR
£1,393 GBP
View
B
Retailer 11
-
€1,916 EUR
$2,149 USD
View
B
Retailer 12
-
€2,060 EUR
$2,311 USD
View
B
Retailer 13
-
€2,496 EUR
$2,800 USD
View
B
Retailer 14
-
€2,728 EUR
$3,060 USD
View
B
Retailer 15
-
€3,466 EUR
£3,061 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8CFCF22D3 · Oct 31
€7,088 EUR
$7,950 USD
View
15 more retailers have this diamond
Prices start from €798 EURSave up to €6,290 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
5.09ct Radiant
€798 EUR