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Emerald|Lab Grown|IGI

1.64ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG644429116

Shape and cutting style on the report: Emerald cut

Certificate IGI LG644429116

Diamond specifications and retailer prices

From $352 AUD
$247 USD
As of October 30, 2026
Save $4,019 AUD (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,370 AUD at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644429116 or 644429116. Listed at 25 retailers as of October 29, 2026, with prices from $352 to $4,370, a $4,019 spread on the same certified stone. Brilliant Earth lists it at $4,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644429116
Dimensions8.16 × 5.63 × 3.71 mm
L/W Ratio1.45
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
8.16 mm5.63 mm1.64 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644429116
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: LNGDepth 65.9%

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: $4,370 AUD|Low: $346 AUD|High: $4,370 AUD|Avg: $1,365 AUD
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 8$352 AUD
Retailer 9$393 AUD
Retailer 21$409 AUD
Retailer 3$437 AUD
Retailer 12$437 AUD
Retailer 11$638 AUD
Retailer 13$646 AUD
Retailer 24$800 AUD
Retailer 20$828 AUD
Retailer 2$841 AUD
Retailer 17$918 AUD
Retailer 19$1,122 AUD
Retailer 23$1,298 AUD
Retailer 6$1,409 AUD
Retailer 7$1,550 AUD
Retailer 16$1,731 AUD
Retailer 15$1,788 AUD
Retailer 10$1,837 AUD
Retailer 14$1,888 AUD
Retailer 5$1,912 AUD
Retailer 18$1,942 AUD
Retailer 22$3,196 AUD
Retailer 4$3,388 AUD
Brilliant Earth$4,370 AUD

42 data points across 24 retailers

25 retailers$352 AUD to $4,370 AUD

A
Cheapest Retailer
-
$352 AUD
$247 USD
A
Retailer 2
-
$393 AUD
$276 USD
View
Final sale: no returns
A
Retailer 3
-
$409 AUD
$287 USD
View
A
Retailer 4
-
$437 AUD
$307 USD
View
A
Retailer 5
-
$437 AUD
$307 USD
View
A
Retailer 6
-
$638 AUD
HK$3,500 HKD
View
B+
Retailer 7
-
$646 AUD
$454 USD
View
A
Retailer 8
-
$800 AUD
$562 USD
View
A
Retailer 9
-
$828 AUD
ZAR 9,400 ZAR
View
A
Retailer 10
-
$841 AUD
£465 GBP
View
A
Retailer 11
-
$1,122 AUD
View
A
Retailer 12
-
$1,298 AUD
$912 USD
View
B+
Retailer 13
-
$1,409 AUD
$990 USD
View
B+
Retailer 14
-
$1,550 AUD
$1,089 USD
View
B+
Retailer 15
-
$1,731 AUD
$1,216 USD
View
B+
Retailer 16
-
$1,788 AUD
$1,256 USD
View
B+
Retailer 17
-
$1,837 AUD
SGD 1,744 SGD
View
B+
Retailer 18
-
$1,888 AUD
£1,044 GBP
View
B+
Retailer 19
-
$1,912 AUD
$1,343 USD
View
B+
Retailer 20
-
$1,942 AUD
£1,074 GBP
View
Retailer 21
-
$3,196 AUD
$2,245 USD
View
Price last confirmed 12 days ago
Retailer 22
-
$3,355 AUD
$2,357 USD
View
Price last confirmed 102 days ago
B
Retailer 23
-
$3,388 AUD
$2,380 USD
View
B
Retailer 24
-
$4,213 AUD
£2,330 GBP
View
Most Expensive
B
Brilliant Earth
20152002Y · Oct 29
$4,370 AUD
$3,070 USD
View
24 more retailers have this diamond
Prices start from $352 AUDSave up to $4,019 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
$352 AUD