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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 $903 NZD
$508 USD
As of November 1, 2026
Save $3,256 NZD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,159 NZD 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 $903 to $4,159, a $3,256 spread on the same certified stone. Do Amore Diamonds lists it at $4,159. 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: $4,159 NZD|Low: $693 NZD|High: $4,159 NZD|Avg: $1,677 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$903 NZD
Retailer 2$1,136 NZD
Retailer 8$1,466 NZD
Retailer 5$1,528 NZD
Retailer 4$1,731 NZD
Retailer 9$1,889 NZD
Retailer 6$2,202 NZD
Retailer 3$2,377 NZD
Do Amore Diamonds$4,159 NZD

38 data points across 9 retailers

11 retailers$903 NZD to $4,159 NZD

Retailer 1
-
$341 NZD
$192 USD
Price last confirmed 41 days ago
Retailer 2
-
$418 NZD
$235 USD
View
Price last confirmed 40 days ago
B+
Retailer 3
-
$903 NZD
$508 USD
View
B+
Retailer 4
-
$1,136 NZD
£503 GBP
View
B+
Retailer 5
-
$1,466 NZD
$825 USD
View
B
Retailer 6
-
$1,528 NZD
$860 USD
View
B
Retailer 7
-
$1,731 NZD
$974 USD
View
B
Retailer 8
-
$1,889 NZD
$1,063 USD
View
C
Retailer 9
-
$2,202 NZD
$1,239 USD
View
Retailer 10
-
$2,377 NZD
£1,053 GBP
View
Price last confirmed 7 days ago
Most Expensive
C
Do Amore Diamonds
27-DE5A2610B · Nov 2
$4,159 NZD
$2,340 USD
View
10 more retailers have this diamond
Prices start from $903 NZDSave up to $3,256 NZD

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
$903 NZD