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Radiant|Lab Grown|IGI

5.05ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618466739

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

Certificate IGI LG618466739

Diamond specifications and retailer prices

From €429 EUR
$479 USD
As of October 30, 2026
Save €3,134 EUR (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,562 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.05ct lab-grown radiant diamond

This 5.05ct 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 LG618466739 or 618466739. Listed at 16 retailers as of October 30, 2026, with prices from €429 to €3,562, a €3,134 spread on the same certified stone. Brilliant Earth lists it at €3,562. 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

5.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618466739
Dimensions11.94 × 8.44 × 5.75 mm
L/W Ratio1.41
Culet sizePointed
Top View
11.94 mm8.44 mm5.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618466739
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 35°Culet: NoneDepth 68.1%

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: Oct 30
Current: €3,562 EUR|Low: €429 EUR|High: €3,562 EUR|Avg: €1,239 EUR
Brilliant Earth
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 3€429 EUR
Retailer 12€481 EUR
Retailer 6€532 EUR
Retailer 8€532 EUR
Retailer 16€559 EUR
Retailer 11€658 EUR
Retailer 7€829 EUR
Retailer 10€858 EUR
Retailer 2€883 EUR
Retailer 5€935 EUR
Retailer 15€1,143 EUR
Retailer 13€1,429 EUR
Retailer 4€1,710 EUR
Retailer 9€1,953 EUR
Retailer 14€2,766 EUR
Brilliant Earth€3,562 EUR

37 data points across 16 retailers

16 retailers€429 EUR to €3,562 EUR

A
Cheapest Retailer
-
€429 EUR
$479 USD
A
Retailer 2
-
€481 EUR
$537 USD
View
A
Retailer 3
-
€532 EUR
$594 USD
View
Retailer 4
-
€532 EUR
$594 USD
View
Price last confirmed 17 days ago
Retailer 5
-
€559 EUR
£492 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
€658 EUR
$735 USD
View
B+
Retailer 7
-
€829 EUR
$926 USD
View
A
Retailer 8
-
€858 EUR
View
A
Retailer 9
-
€883 EUR
£777 GBP
View
A
Retailer 10
-
€935 EUR
$1,045 USD
View
B+
Retailer 11
-
€1,143 EUR
$1,277 USD
View
B+
Retailer 12
-
€1,429 EUR
$1,597 USD
View
B+
Retailer 13
-
€1,710 EUR
$1,910 USD
View
B
Retailer 14
-
€1,953 EUR
£1,718 GBP
View
B
Retailer 15
-
€2,766 EUR
$3,090 USD
View
Most Expensive
B
Brilliant Earth
9039898A · Oct 31
€3,562 EUR
$3,980 USD
View
15 more retailers have this diamond
Prices start from €429 EURSave up to €3,134 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
5.05ct Radiant
€429 EUR