Radiant|Lab Grown|IGI

5.06ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG663411510

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

Certificate IGI LG663411510

Diamond specifications and retailer prices

From €489 EUR
$546 USD
As of October 30, 2026
Save €2,786 EUR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,827 EUR at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 5.06ct lab-grown radiant diamond

This 5.06ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG663411510 or 663411510. Listed at 14 retailers as of October 30, 2026, with a 570% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.06
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle29.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG663411510
Dimensions8.08 × 12.16 × 5.47 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm12.16 mm5.06 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG663411510
Side View
Table 63.0%Crown 41.2°Girdle: MED-STKPavilion 29.7°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €5,827 EUR|Low: €469 EUR|High: €5,827 EUR|Avg: €1,228 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
October 31, 2026
Retailer 14€489 EUR
Retailer 13€548 EUR
Retailer 4€606 EUR
Retailer 11€606 EUR
Retailer 7€646 EUR
Retailer 12€729 EUR
Retailer 6€927 EUR
Retailer 5€936 EUR
Retailer 2€945 EUR
Retailer 10€966 EUR
Retailer 9€1,565 EUR
Retailer 3€1,594 EUR
Retailer 8€2,544 EUR
Brilliant Earth€5,827 EUR

43 data points across 14 retailers

14 retailers€489 EUR to €3,274 EUR

A
Cheapest Retailer
-
€489 EUR
$546 USD
A
Retailer 2
-
€548 EUR
$612 USD
View
A
Retailer 3
-
€606 EUR
$677 USD
View
Retailer 4
-
€606 EUR
$677 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€646 EUR
£569 GBP
View
A
Retailer 6
-
€729 EUR
$815 USD
View
A
Retailer 7
-
€927 EUR
$1,036 USD
View
B+
Retailer 8
-
€936 EUR
$1,046 USD
View
A
Retailer 9
-
€945 EUR
£831 GBP
View
B+
Retailer 10
-
€1,565 EUR
$1,748 USD
View
B+
Retailer 11
-
€1,594 EUR
$1,781 USD
View
B
Retailer 12
-
€2,544 EUR
£2,238 GBP
View
B
Retailer 13
-
€3,274 EUR
$3,658 USD
View
Most Expensive
Brilliant Earth
15881808A · Oct 18
€5,827 EUR
$6,510 USD
View
Price last confirmed 13 days ago
13 more retailers have this diamond
Prices start from €489 EURSave up to €2,786 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
5.06ct Radiant
€489 EUR