Radiant|Lab Grown|IGI

5.03ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG618450557

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

Certificate IGI LG618450557

Diamond specifications and retailer prices

From $697 CAD
$499 USD
As of October 30, 2026
Save $5,156 CAD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,853 CAD at Brilliant Earth · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618450557 or 618450557. Listed at 16 retailers as of October 30, 2026, with prices from $697 to $5,853, a $5,156 spread on the same certified stone. Brilliant Earth lists it at $5,853. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618450557
Dimensions12.15 × 8.35 × 5.72 mm
L/W Ratio1.46
Culet sizePointed
Top View
12.15 mm8.35 mm5.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618450557
Side View
Table 65.0%Crown 45°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.5%

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: $5,853 CAD|Low: $697 CAD|High: $7,082 CAD|Avg: $2,127 CAD|-17.4%
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
October 30, 2026
Retailer 15$697 CAD
Retailer 10$781 CAD
Retailer 3$865 CAD
Retailer 5$865 CAD
Retailer 14$910 CAD
Retailer 4$1,306 CAD
Retailer 6$1,344 CAD
Retailer 2$1,439 CAD
Retailer 13$1,480 CAD
Retailer 7$1,490 CAD
Retailer 11$2,232 CAD
Retailer 16$2,276 CAD
Retailer 8$2,760 CAD
Retailer 9$3,630 CAD
Retailer 12$4,100 CAD
Brilliant Earth$5,853 CAD

38 data points across 16 retailers

16 retailers$697 CAD to $5,853 CAD

A
Cheapest Retailer
-
$697 CAD
$499 USD
A
Retailer 2
-
$781 CAD
$559 USD
View
A
Retailer 3
-
$865 CAD
$619 USD
View
Retailer 4
-
$865 CAD
$619 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$910 CAD
£513 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,306 CAD
$935 USD
View
B+
Retailer 7
-
$1,344 CAD
$962 USD
View
A
Retailer 8
-
$1,439 CAD
£811 GBP
View
Retailer 9
-
$1,480 CAD
€1,009 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$1,490 CAD
$1,067 USD
View
B+
Retailer 11
-
$2,232 CAD
$1,598 USD
View
B+
Retailer 12
-
$2,276 CAD
$1,629 USD
View
B+
Retailer 13
-
$2,760 CAD
$1,976 USD
View
B
Retailer 14
-
$3,630 CAD
£2,046 GBP
View
B
Retailer 15
-
$4,100 CAD
$2,935 USD
View
Most Expensive
B
Brilliant Earth
9016856A · Oct 30
$5,853 CAD
$4,190 USD
View
15 more retailers have this diamond
Prices start from $697 CADSave up to $5,156 CAD

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
$697 CAD