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Emerald|Lab Grown|IGI

1.58ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG684509107

Shape and cutting style on the report: Emerald cut

Certificate IGI LG684509107

Diamond specifications and retailer prices

From $409 AUD
$287 USD
As of October 30, 2026
Save $1,495 AUD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,139 AUD at Brilliant Earth · As of October 16, 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 LG684509107 or 684509107. Listed at 10 retailers as of October 29, 2026, with a 366% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684509107
Dimensions7.81 × 5.53 × 3.76 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.53 mm1.58 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684509107
Side View
Table 65.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: LargeDepth 68.0%

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: $5,139 AUD|Low: $366 AUD|High: $5,139 AUD|Avg: $1,340 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
October 31, 2026
Retailer 9$409 AUD
Retailer 7$457 AUD
Retailer 2$507 AUD
Retailer 6$834 AUD
Retailer 4$892 AUD
Retailer 12$1,098 AUD
Retailer 5$1,629 AUD
Retailer 10$1,713 AUD
Retailer 8$1,883 AUD
Retailer 11$1,904 AUD
Retailer 3$1,950 AUD
Brilliant Earth$5,139 AUD

17 data points across 12 retailers

10 retailers$409 AUD to $1,904 AUD

A
Cheapest Retailer
-
$409 AUD
$287 USD
A
Retailer 2
-
$457 AUD
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$507 AUD
$356 USD
View
A
Retailer 4
-
$834 AUD
$586 USD
View
A
Retailer 5
-
$1,098 AUD
View
B+
Retailer 6
-
$1,629 AUD
$1,144 USD
View
B+
Retailer 7
-
$1,713 AUD
$1,203 USD
View
B+
Retailer 8
-
$1,883 AUD
View
B+
Retailer 9
-
$1,904 AUD
£1,053 GBP
View
Most Expensive
Brilliant Earth
21605510A · Oct 16
$5,139 AUD
$3,610 USD
View
Price last confirmed 15 days ago
9 more retailers have this diamond
Prices start from $409 AUDSave up to $1,495 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
$409 AUD