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Radiant|Lab Grown|IGI

5.03ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618479306

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

Certificate IGI LG618479306

Diamond specifications and retailer prices

From €427 EUR
$477 USD
As of November 2, 2026
Save €3,118 EUR (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,545 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.03ct lab-grown radiant diamond

This 5.03ct 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 LG618479306 or 618479306. Listed at 15 retailers as of October 31, 2026, with prices from €427 to €3,545, a €3,118 spread on the same certified stone. Brilliant Earth lists it at €3,545. 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

5.03
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618479306
Dimensions12.15 × 8.41 × 5.69 mm
L/W Ratio1.44
Culet sizePointed
Top View
12.15 mm8.41 mm5.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618479306
Side View
Table 65.0%Crown 43.8°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €3,545 EUR|Low: €427 EUR|High: €3,545 EUR|Avg: €1,234 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€427 EUR
Retailer 12€479 EUR
Retailer 6€530 EUR
Retailer 8€530 EUR
Retailer 16€557 EUR
Retailer 7€827 EUR
Retailer 11€828 EUR
Retailer 9€855 EUR
Retailer 2€879 EUR
Retailer 5€933 EUR
Retailer 15€1,134 EUR
Retailer 13€1,424 EUR
Retailer 4€1,703 EUR
Retailer 10€1,956 EUR
Retailer 14€2,752 EUR
Brilliant Earth€3,545 EUR

36 data points across 16 retailers

15 retailers€427 EUR to €3,545 EUR

A
Cheapest Retailer
-
€427 EUR
$477 USD
A
Retailer 2
-
€479 EUR
$535 USD
View
A
Retailer 3
-
€530 EUR
$592 USD
View
Retailer 4
-
€530 EUR
$592 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
€827 EUR
$924 USD
View
B+
Retailer 6
-
€828 EUR
$925 USD
View
A
Retailer 7
-
€855 EUR
View
A
Retailer 8
-
€879 EUR
£774 GBP
View
A
Retailer 9
-
€933 EUR
$1,042 USD
View
B+
Retailer 10
-
€1,134 EUR
$1,267 USD
View
B+
Retailer 11
-
€1,424 EUR
$1,591 USD
View
B+
Retailer 12
-
€1,703 EUR
$1,903 USD
View
B
Retailer 13
-
€1,956 EUR
£1,721 GBP
View
B
Retailer 14
-
€2,752 EUR
$3,075 USD
View
Most Expensive
B
Brilliant Earth
9017152A · Oct 31
€3,545 EUR
$3,960 USD
View
14 more retailers have this diamond
Prices start from €427 EURSave up to €3,118 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
5.03ct Radiant
€427 EUR