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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 $704 SGD
$551 USD
As of October 30, 2026
Save $5,649 SGD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,354 SGD 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 $704 to $6,354, a $5,649 spread on the same certified stone. Brilliant Earth lists it at $6,354. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,354 SGD|Low: $704 SGD|High: $11,097 SGD|Avg: $2,561 SGD|-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 31, 2026
Retailer 15$704 SGD
Retailer 11$789 SGD
Retailer 3$873 SGD
Retailer 5$873 SGD
Retailer 14$918 SGD
Retailer 4$1,010 SGD
Retailer 6$1,349 SGD
Retailer 9$1,361 SGD
Retailer 2$1,403 SGD
Retailer 7$1,454 SGD
Retailer 12$2,254 SGD
Retailer 16$2,297 SGD
Retailer 8$3,211 SGD
Retailer 10$3,796 SGD
Retailer 13$5,261 SGD
Brilliant Earth$6,354 SGD

37 data points across 16 retailers

16 retailers$704 SGD to $6,354 SGD

A
Cheapest Retailer
-
$704 SGD
$551 USD
B+
Retailer 2
-
$789 SGD
$617 USD
View
B+
Retailer 3
-
$873 SGD
$683 USD
View
Retailer 4
-
$873 SGD
$683 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$918 SGD
£566 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,010 SGD
$790 USD
View
B
Retailer 7
-
$1,349 SGD
$1,055 USD
View
B+
Retailer 8
-
$1,361 SGD
£839 GBP
View
Retailer 9
-
$1,403 SGD
€1,045 EUR
View
B+
Retailer 10
-
$1,454 SGD
$1,137 USD
View
B
Retailer 11
-
$2,254 SGD
$1,763 USD
View
B
Retailer 12
-
$2,297 SGD
$1,797 USD
View
B
Retailer 13
-
$3,211 SGD
$2,512 USD
View
B
Retailer 14
-
$3,796 SGD
£2,338 GBP
View
Retailer 15
-
$5,261 SGD
$4,115 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
11923361A · Oct 30
$6,354 SGD
$4,970 USD
View
15 more retailers have this diamond
Prices start from $704 SGDSave up to $5,649 SGD

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
$704 SGD