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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 $481 NZD
$271 USD
As of October 30, 2026
Save $2,041 NZD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,458 NZD 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: $6,458 NZD|Low: $461 NZD|High: $6,458 NZD|Avg: $1,458 NZD
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$481 NZD
Retailer 5$539 NZD
Retailer 6$559 NZD
Retailer 7$596 NZD
Retailer 9$596 NZD
Retailer 19$802 NZD
Retailer 17$878 NZD
Retailer 16$1,026 NZD
Retailer 2$1,040 NZD
Retailer 13$1,069 NZD
Retailer 15$1,389 NZD
Retailer 18$1,835 NZD
Retailer 11$1,918 NZD
Retailer 10$1,918 NZD
Retailer 8$1,936 NZD
Retailer 12$2,009 NZD
Retailer 3$2,296 NZD
Retailer 14$2,404 NZD
Retailer 4$2,522 NZD
Brilliant Earth$6,458 NZD

44 data points across 20 retailers

20 retailers$481 NZD to $2,522 NZD

A
Cheapest Retailer
-
$481 NZD
$271 USD
A
Retailer 2
-
$539 NZD
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$559 NZD
$315 USD
View
A
Retailer 4
-
$596 NZD
$336 USD
View
A
Retailer 5
-
$596 NZD
$336 USD
View
B+
Retailer 6
-
$802 NZD
$452 USD
View
A
Retailer 7
-
$878 NZD
$495 USD
View
A
Retailer 8
-
$1,026 NZD
ZAR 9,338 ZAR
View
A
Retailer 9
-
$1,040 NZD
£462 GBP
View
A
Retailer 10
-
$1,069 NZD
€574 EUR
View
A
Retailer 11
-
$1,389 NZD
A$1,204 AUD
View
B+
Retailer 12
-
$1,835 NZD
$1,034 USD
View
B+
Retailer 13
-
$1,918 NZD
$1,081 USD
View
B+
Retailer 14
-
$1,918 NZD
SGD 1,461 SGD
View
B+
Retailer 15
-
$1,936 NZD
$1,091 USD
View
B+
Retailer 16
-
$2,009 NZD
$1,132 USD
View
B+
Retailer 17
-
$2,296 NZD
$1,294 USD
View
B+
Retailer 18
-
$2,404 NZD
£1,067 GBP
View
B+
Retailer 19
-
$2,522 NZD
$1,421 USD
View
Most Expensive
Brilliant Earth
21450206A · Oct 22
$6,458 NZD
$3,640 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $481 NZDSave up to $2,041 NZD

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
$481 NZD