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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 $268 USD
As of October 28, 2026
Save $3,472 USD (93%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,740 USD 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 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 28, 2026, with prices from $268 to $3,740, a $3,472 spread on the same certified stone. Brilliant Earth lists it at $3,740. 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
Color
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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Price History

Last verified: Oct 28
Current: $3,740 USD|Low: $268 USD|High: $3,850 USD|Avg: $1,191 USD|-2.9%
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 29, 2026
Retailer 9$268 USD
Retailer 12$274 USD
Retailer 6$317 USD
Retailer 13$516 USD
Retailer 17$520 USD
Retailer 16$562 USD
Retailer 2$624 USD
Retailer 10$873 USD
Retailer 7$924 USD
Retailer 15$1,042 USD
Retailer 4$1,077 USD
Retailer 5$1,204 USD
Retailer 3$1,502 USD
Retailer 8$1,530 USD
Retailer 14$2,430 USD
Retailer 11$2,750 USD
Brilliant Earth$3,740 USD

28 data points across 17 retailers

17 retailers$268 USD to $3,740 USD

A
Cheapest Retailer
-
$268 USD
Final sale: no returns
A
Retailer 2
-
$274 USD
View
A
Retailer 3
-
$317 USD
View
A
Retailer 4
-
$516 USD
View
A
Retailer 5
-
$520 USD
View
A
Retailer 6
-
$562 USD
View
A
Retailer 7
-
$624 USD
€594 EUR
View
A
Retailer 8
-
$873 USD
A$1,343 AUD
View
A
Retailer 9
-
$924 USD
View
B+
Retailer 10
-
$1,042 USD
View
B+
Retailer 11
-
$1,077 USD
View
B+
Retailer 12
-
$1,204 USD
View
B+
Retailer 13
-
$1,502 USD
£1,183 GBP
View
Retailer 14
-
$1,530 USD
A$2,354 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$2,430 USD
View
B
Retailer 16
-
$2,750 USD
View
Most Expensive
B
Brilliant Earth
15899009Y · Oct 29
$3,740 USD
View
16 more retailers have this diamond
Prices start from $268 USDSave up to $3,472 USD

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
$268 USD