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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 $509 NZD
$287 USD
As of October 30, 2026
Save $1,864 NZD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,405 NZD 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: $6,405 NZD|Low: $456 NZD|High: $6,405 NZD|Avg: $1,670 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
October 31, 2026
Retailer 8$509 NZD
Retailer 6$570 NZD
Retailer 12$589 NZD
Retailer 5$1,040 NZD
Retailer 4$1,112 NZD
Retailer 11$1,369 NZD
Retailer 2$2,030 NZD
Retailer 9$2,134 NZD
Retailer 7$2,347 NZD
Retailer 10$2,373 NZD
Retailer 3$2,431 NZD
Brilliant Earth$6,405 NZD

17 data points across 12 retailers

10 retailers$509 NZD to $2,373 NZD

A
Cheapest Retailer
-
$509 NZD
$287 USD
A
Retailer 2
-
$570 NZD
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$589 NZD
$332 USD
View
A
Retailer 4
-
$1,040 NZD
$586 USD
View
A
Retailer 5
-
$1,369 NZD
A$1,187 AUD
View
B+
Retailer 6
-
$2,030 NZD
$1,144 USD
View
B+
Retailer 7
-
$2,134 NZD
$1,203 USD
View
B+
Retailer 8
-
$2,347 NZD
A$2,035 AUD
View
B+
Retailer 9
-
$2,373 NZD
£1,053 GBP
View
Most Expensive
Brilliant Earth
21605510A · Oct 16
$6,405 NZD
$3,610 USD
View
Price last confirmed 15 days ago
9 more retailers have this diamond
Prices start from $509 NZDSave up to $1,864 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
$509 NZD