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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 $382 AUD
$268 USD
As of October 30, 2026
Save $4,202 AUD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,584 AUD 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 $382 to $4,584, a $4,202 spread on the same certified stone. Brilliant Earth lists it at $4,584. 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

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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: $4,584 AUD|Low: $382 AUD|High: $5,481 AUD|Avg: $1,693 AUD|-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$382 AUD
Retailer 13$390 AUD
Retailer 7$451 AUD
Retailer 14$735 AUD
Retailer 3$740 AUD
Retailer 17$800 AUD
Retailer 10$888 AUD
Retailer 11$1,243 AUD
Retailer 8$1,315 AUD
Retailer 16$1,483 AUD
Retailer 5$1,534 AUD
Retailer 6$1,714 AUD
Retailer 4$2,139 AUD
Retailer 2$2,148 AUD
Retailer 15$3,459 AUD
Retailer 12$3,915 AUD
Brilliant Earth$4,584 AUD

29 data points across 17 retailers

17 retailers$382 AUD to $4,584 AUD

A
Cheapest Retailer
-
$382 AUD
$268 USD
Final sale: no returns
A
Retailer 2
-
$390 AUD
$274 USD
View
A
Retailer 3
-
$451 AUD
$317 USD
View
A
Retailer 4
-
$735 AUD
$516 USD
View
A
Retailer 5
-
$740 AUD
$520 USD
View
A
Retailer 6
-
$800 AUD
$562 USD
View
A
Retailer 7
-
$888 AUD
€594 EUR
View
A
Retailer 8
-
$1,243 AUD
View
A
Retailer 9
-
$1,315 AUD
$924 USD
View
B+
Retailer 10
-
$1,483 AUD
$1,042 USD
View
B+
Retailer 11
-
$1,534 AUD
$1,077 USD
View
B+
Retailer 12
-
$1,714 AUD
$1,204 USD
View
B+
Retailer 13
-
$2,139 AUD
£1,183 GBP
View
B+
Retailer 14
-
$2,148 AUD
View
B
Retailer 15
-
$3,459 AUD
$2,430 USD
View
B
Retailer 16
-
$3,915 AUD
$2,750 USD
View
Most Expensive
B
Brilliant Earth
15899009Y · Oct 30
$4,584 AUD
$3,220 USD
View
16 more retailers have this diamond
Prices start from $382 AUDSave up to $4,202 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
1.64ct Emerald
$382 AUD