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Emerald|Lab Grown|IGI

1.64ct F SI1 Emerald Lab Grown Diamond

GD • F/SI1 • IGI LG515227781

Shape and cutting style on the report: Emerald cut

Certificate IGI LG515227781

Diamond specifications and retailer prices

From $725 AUD
$508 USD
As of November 1, 2026
Save $2,614 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,339 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG515227781 or 515227781. Listed at 11 retailers as of November 1, 2026, with prices from $725 to $3,339, a $2,614 spread on the same certified stone. Do Amore Diamonds lists it at $3,339. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227781
Dimensions7.90 × 5.47 × 3.76 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.90 mm5.47 mm1.64 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227781
Side View
Table 64.5%Crown 29.3°Girdle: Slightly ThickPavilion 35.4°Culet: LNGDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,339 AUD|Low: $556 AUD|High: $3,339 AUD|Avg: $1,342 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$725 AUD
Retailer 2$912 AUD
Retailer 8$1,177 AUD
Retailer 5$1,227 AUD
Retailer 4$1,390 AUD
Retailer 9$1,517 AUD
Retailer 6$1,768 AUD
Retailer 3$1,908 AUD
Do Amore Diamonds$3,339 AUD

39 data points across 9 retailers

11 retailers$725 AUD to $3,339 AUD

Retailer 1
-
$274 AUD
$192 USD
Price last confirmed 41 days ago
Retailer 2
-
$335 AUD
$235 USD
View
Price last confirmed 40 days ago
B+
Retailer 3
-
$725 AUD
$508 USD
View
B+
Retailer 4
-
$912 AUD
£503 GBP
View
B+
Retailer 5
-
$1,177 AUD
$825 USD
View
B
Retailer 6
-
$1,227 AUD
$860 USD
View
B
Retailer 7
-
$1,390 AUD
$974 USD
View
B
Retailer 8
-
$1,517 AUD
$1,063 USD
View
C
Retailer 9
-
$1,768 AUD
$1,239 USD
View
C
Retailer 10
-
$1,908 AUD
£1,053 GBP
View
Most Expensive
C
Do Amore Diamonds
27-DE5A2610B · Nov 2
$3,339 AUD
$2,340 USD
View
10 more retailers have this diamond
Prices start from $725 AUDSave up to $2,614 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.

B+
1.64ct Emerald
$725 AUD