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Radiant|Lab Grown|IGI

5.58ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG658493594

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

Certificate IGI LG658493594

Diamond specifications and retailer prices

From $770 CAD
$551 USD
As of October 30, 2026
Save $6,173 CAD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,943 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.58ct lab-grown radiant diamond

This 5.58ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG658493594 or 658493594. Listed at 16 retailers as of October 30, 2026, with prices from $770 to $6,943, a $6,173 spread on the same certified stone. Brilliant Earth lists it at $6,943. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.58
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658493594
Dimensions12.46 × 8.80 × 5.92 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.46 mm8.80 mm5.58 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658493594
Side View
Table 64.0%Crown 40.7°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.3%

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: Oct 30
Current: $6,943 CAD|Low: $770 CAD|High: $12,125 CAD|Avg: $2,816 CAD|-42.7%
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$770 CAD
Retailer 11$862 CAD
Retailer 3$954 CAD
Retailer 5$954 CAD
Retailer 14$1,004 CAD
Retailer 4$1,104 CAD
Retailer 6$1,474 CAD
Retailer 2$1,488 CAD
Retailer 7$1,588 CAD
Retailer 10$1,634 CAD
Retailer 12$2,463 CAD
Retailer 16$2,510 CAD
Retailer 8$3,509 CAD
Retailer 9$4,148 CAD
Retailer 13$5,748 CAD
Brilliant Earth$6,943 CAD

36 data points across 16 retailers

16 retailers$770 CAD to $6,943 CAD

A
Cheapest Retailer
-
$770 CAD
$551 USD
B+
Retailer 2
-
$862 CAD
$617 USD
View
B+
Retailer 3
-
$954 CAD
$683 USD
View
Retailer 4
-
$954 CAD
$683 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$1,004 CAD
£566 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,104 CAD
$790 USD
View
B
Retailer 7
-
$1,474 CAD
$1,055 USD
View
B+
Retailer 8
-
$1,488 CAD
£838 GBP
View
B+
Retailer 9
-
$1,588 CAD
$1,137 USD
View
Retailer 10
-
$1,634 CAD
€1,114 EUR
View
Price last confirmed 8 days ago
B
Retailer 11
-
$2,463 CAD
$1,763 USD
View
B
Retailer 12
-
$2,510 CAD
$1,797 USD
View
B
Retailer 13
-
$3,509 CAD
$2,512 USD
View
B
Retailer 14
-
$4,148 CAD
£2,338 GBP
View
Retailer 15
-
$5,748 CAD
$4,115 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
11923361A · Oct 30
$6,943 CAD
$4,970 USD
View
15 more retailers have this diamond
Prices start from $770 CADSave up to $6,173 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
5.58ct Radiant
$770 CAD