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Emerald|Lab Grown|IGI

1.64ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG731557360

Shape and cutting style on the report: Emerald cut

Certificate IGI LG731557360

Diamond specifications and retailer prices

From $476 NZD
$268 USD
As of October 30, 2026
Save $5,238 NZD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,713 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.64ct lab-grown emerald diamond

This 1.64ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731557360 or 731557360. Listed at 17 retailers as of October 30, 2026, with prices from $476 to $5,713, a $5,238 spread on the same certified stone. Brilliant Earth lists it at $5,713. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731557360
Dimensions7.83 × 5.56 × 3.90 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.83 mm5.56 mm1.64 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731557360
Side View
Table 59.0%Crown 33.2°Girdle: Slightly ThickPavilion 37.3°Culet: LNGDepth 70.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,713 NZD|Low: $406 NZD|High: $6,831 NZD|Avg: $2,079 NZD|-16.4%
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
October 30, 2026
Retailer 9$476 NZD
Retailer 13$486 NZD
Retailer 7$562 NZD
Retailer 14$916 NZD
Retailer 3$923 NZD
Retailer 17$997 NZD
Retailer 10$1,107 NZD
Retailer 11$1,549 NZD
Retailer 8$1,639 NZD
Retailer 16$1,849 NZD
Retailer 5$1,911 NZD
Retailer 6$2,136 NZD
Retailer 4$2,666 NZD
Retailer 2$2,677 NZD
Retailer 15$4,312 NZD
Retailer 12$4,879 NZD
Brilliant Earth$5,713 NZD

30 data points across 17 retailers

17 retailers$476 NZD to $5,713 NZD

A
Cheapest Retailer
-
$476 NZD
$268 USD
Final sale: no returns
A
Retailer 2
-
$486 NZD
$274 USD
View
A
Retailer 3
-
$562 NZD
$317 USD
View
A
Retailer 4
-
$916 NZD
$516 USD
View
A
Retailer 5
-
$923 NZD
$520 USD
View
A
Retailer 6
-
$997 NZD
$562 USD
View
A
Retailer 7
-
$1,107 NZD
€594 EUR
View
A
Retailer 8
-
$1,549 NZD
A$1,343 AUD
View
A
Retailer 9
-
$1,639 NZD
$924 USD
View
B+
Retailer 10
-
$1,849 NZD
$1,042 USD
View
B+
Retailer 11
-
$1,911 NZD
$1,077 USD
View
B+
Retailer 12
-
$2,136 NZD
$1,204 USD
View
B+
Retailer 13
-
$2,666 NZD
£1,183 GBP
View
B+
Retailer 14
-
$2,677 NZD
A$2,321 AUD
View
B
Retailer 15
-
$4,312 NZD
$2,430 USD
View
B
Retailer 16
-
$4,879 NZD
$2,750 USD
View
Most Expensive
B
Brilliant Earth
15899009Y · Oct 30
$5,713 NZD
$3,220 USD
View
16 more retailers have this diamond
Prices start from $476 NZDSave up to $5,238 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
1.64ct Emerald
$476 NZD