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Emerald|Lab Grown|IGI

1.64ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG781642604

Shape and cutting style on the report: Emerald cut

Certificate IGI LG781642604

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of October 30, 2026
Save $1,462 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,830 AUD at MOH London · As of October 26, 2026
View at MOH London

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 LG781642604 or 781642604. Listed at 18 retailers as of October 26, 2026, with prices from $367 to $1,830, a $1,462 spread on the same certified stone. MOH London lists it at $1,830. 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 angle39.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781642604
Dimensions7.81 × 5.56 × 3.68 mm
L/W Ratio1.40
Culet sizeLarge
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
7.81 mm5.56 mm1.64 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781642604
Side View
Table 64.0%Crown 39.6°Girdle: MediumPavilion 40.9°Culet: LargeDepth 66.2%

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: $1,830 AUD|Low: $353 AUD|High: $1,850 AUD|Avg: $936 AUD|+0.1%
MOH London
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
October 30, 2026
Retailer 14$367 AUD
Retailer 16$410 AUD
Retailer 6$427 AUD
Retailer 3$456 AUD
Retailer 5$456 AUD
Retailer 13$634 AUD
Retailer 10$683 AUD
Retailer 9$784 AUD
Retailer 7$839 AUD
Retailer 2$869 AUD
Retailer 11$1,071 AUD
Retailer 12$1,401 AUD
Retailer 4$1,466 AUD
Retailer 8$1,779 AUD
Retailer 15$1,795 AUD
MOH London$1,830 AUD

45 data points across 16 retailers

18 retailers$367 AUD to $1,830 AUD

A
Cheapest Retailer
-
$367 AUD
$258 USD
A
Retailer 2
-
$410 AUD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$427 AUD
$300 USD
View
A
Retailer 4
-
$456 AUD
$320 USD
View
A
Retailer 5
-
$456 AUD
$320 USD
View
B+
Retailer 6
-
$634 AUD
$445 USD
View
A
Retailer 7
-
$683 AUD
$480 USD
View
A
Retailer 8
-
$784 AUD
ZAR 8,894 ZAR
View
A
Retailer 9
-
$839 AUD
$589 USD
View
A
Retailer 10
-
$869 AUD
£481 GBP
View
A
Retailer 11
-
$1,071 AUD
View
B+
Retailer 12
-
$1,401 AUD
$984 USD
View
B+
Retailer 13
-
$1,466 AUD
$1,030 USD
View
B+
Retailer 14
-
$1,540 AUD
$1,081 USD
View
B+
Retailer 15
-
$1,643 AUD
$1,154 USD
View
B+
Retailer 16
-
$1,779 AUD
£984 GBP
View
B+
Retailer 17
-
$1,795 AUD
$1,261 USD
View
Most Expensive
B+
MOH London
LG781642604 · Oct 26
$1,830 AUD
£1,012 GBP
View
17 more retailers have this diamond
Prices start from $367 AUDSave up to $1,462 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
$367 AUD