CaratHunter
Plans
Emerald|Lab Grown|IGI

1.58ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG831638773

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831638773

Diamond specifications and retailer prices

From $386 AUD
$271 USD
As of October 30, 2026
Save $1,637 AUD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,182 AUD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.58ct lab-grown emerald diamond

This 1.58ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831638773 or 831638773. Listed at 20 retailers as of October 30, 2026, with a 424% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831638773
Dimensions8.04 × 5.52 × 3.43 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.52 mm1.58 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831638773
Side View
Table 68.0%Crown 39.1°Girdle: MediumPavilion 38°Culet: LargeDepth 62.1%

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: $5,182 AUD|Low: $370 AUD|High: $5,182 AUD|Avg: $1,170 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
October 31, 2026
Retailer 20$386 AUD
Retailer 5$433 AUD
Retailer 6$448 AUD
Retailer 7$478 AUD
Retailer 9$478 AUD
Retailer 19$643 AUD
Retailer 17$705 AUD
Retailer 16$823 AUD
Retailer 2$835 AUD
Retailer 13$858 AUD
Retailer 15$1,114 AUD
Retailer 18$1,472 AUD
Retailer 11$1,539 AUD
Retailer 10$1,539 AUD
Retailer 8$1,553 AUD
Retailer 12$1,612 AUD
Retailer 3$1,842 AUD
Retailer 14$1,929 AUD
Retailer 4$2,023 AUD
Brilliant Earth$5,182 AUD

44 data points across 20 retailers

20 retailers$386 AUD to $2,023 AUD

A
Cheapest Retailer
-
$386 AUD
$271 USD
A
Retailer 2
-
$433 AUD
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$448 AUD
$315 USD
View
A
Retailer 4
-
$478 AUD
$336 USD
View
A
Retailer 5
-
$478 AUD
$336 USD
View
B+
Retailer 6
-
$643 AUD
$452 USD
View
A
Retailer 7
-
$705 AUD
$495 USD
View
A
Retailer 8
-
$823 AUD
ZAR 9,338 ZAR
View
A
Retailer 9
-
$835 AUD
£462 GBP
View
A
Retailer 10
-
$858 AUD
€574 EUR
View
A
Retailer 11
-
$1,114 AUD
View
B+
Retailer 12
-
$1,472 AUD
$1,034 USD
View
B+
Retailer 13
-
$1,539 AUD
$1,081 USD
View
B+
Retailer 14
-
$1,539 AUD
SGD 1,461 SGD
View
B+
Retailer 15
-
$1,553 AUD
$1,091 USD
View
B+
Retailer 16
-
$1,612 AUD
$1,132 USD
View
B+
Retailer 17
-
$1,842 AUD
$1,294 USD
View
B+
Retailer 18
-
$1,929 AUD
£1,067 GBP
View
B+
Retailer 19
-
$2,023 AUD
$1,421 USD
View
Most Expensive
Brilliant Earth
21450206A · Oct 22
$5,182 AUD
$3,640 USD
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from $386 AUDSave up to $1,637 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 Emerald
$386 AUD