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Radiant|Lab Grown|IGI

1.58ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG648486277

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

Certificate IGI LG648486277

Diamond specifications and retailer prices

From $296 AUD
$208 USD
As of October 27, 2026
Save $1,441 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,989 AUD at Brilliant Earth · As of October 13, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG648486277 or 648486277. Listed at 22 retailers as of October 27, 2026, with a 487% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648486277
Dimensions8.54 × 5.70 × 3.84 mm
L/W Ratio1.50
Culet sizePointed
Top View
8.54 mm5.70 mm1.58 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648486277
Side View
Table 65.0%Crown 42.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.4%

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 27
Current: $2,989 AUD|Low: $296 AUD|High: $2,989 AUD|Avg: $915 AUD
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 21$296 AUD
Retailer 10$330 AUD
Retailer 18$344 AUD
Retailer 4$369 AUD
Retailer 5$369 AUD
Retailer 20$432 AUD
Retailer 15$632 AUD
Retailer 12$635 AUD
Retailer 2$679 AUD
Retailer 17$683 AUD
Retailer 9$777 AUD
Retailer 7$843 AUD
Retailer 16$860 AUD
Retailer 3$1,183 AUD
Retailer 19$1,187 AUD
Retailer 11$1,259 AUD
Retailer 6$1,466 AUD
Retailer 13$1,482 AUD
Retailer 8$1,499 AUD
Retailer 14$1,738 AUD
Brilliant Earth$2,989 AUD

35 data points across 21 retailers

22 retailers$296 AUD to $1,738 AUD

A
Cheapest Retailer
-
$296 AUD
$208 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$344 AUD
$242 USD
View
A
Retailer 4
-
$369 AUD
$259 USD
View
A
Retailer 5
-
$369 AUD
$259 USD
View
Retailer 6
-
$432 AUD
£239 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$632 AUD
ZAR 7,175 ZAR
View
B+
Retailer 8
-
$635 AUD
$446 USD
View
A
Retailer 9
-
$679 AUD
£376 GBP
View
A
Retailer 10
-
$683 AUD
€457 EUR
View
A
Retailer 11
-
$777 AUD
$546 USD
View
B+
Retailer 12
-
$843 AUD
$592 USD
View
A
Retailer 13
-
$860 AUD
View
B+
Retailer 14
-
$1,183 AUD
$831 USD
View
B+
Retailer 15
-
$1,187 AUD
$834 USD
View
B+
Retailer 16
-
$1,259 AUD
$884 USD
View
B
Retailer 17
-
$1,359 AUD
£752 GBP
View
Retailer 18
-
$1,466 AUD
$1,030 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$1,482 AUD
£820 GBP
View
B
Retailer 20
-
$1,499 AUD
$1,053 USD
View
B
Retailer 21
-
$1,738 AUD
$1,221 USD
View
Most Expensive
Brilliant Earth
11435541A · Oct 13
$2,989 AUD
$2,100 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from $296 AUDSave up to $1,441 AUD

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
1.58ct Radiant
$296 AUD