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Emerald|Lab Grown|IGI

1.64ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG425067413

Shape and cutting style on the report: Emerald cut

Certificate IGI LG425067413

Diamond specifications and retailer prices

From $1,615 NZD
$910 USD
As of October 30, 2026
Save $6,743 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,358 NZD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067413 or 425067413. Listed at 11 retailers as of October 29, 2026, with prices from $1,615 to $8,358, a $6,743 spread on the same certified stone. MOH London lists it at $8,358. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.64
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle22.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067413
Dimensions8.02 × 5.62 × 3.76 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
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Top View
8.02 mm5.62 mm1.64 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067413
Side View
Table 63.0%Crown 22.6°Girdle: MediumPavilion 39.3°Culet: LNGDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,358 NZD|Low: $1,615 NZD|High: $8,423 NZD|Avg: $4,163 NZD|-0.5%
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
October 30, 2026
Retailer 2$1,615 NZD
Retailer 7$2,509 NZD
Retailer 12$2,731 NZD
Retailer 13$2,809 NZD
Retailer 8$2,910 NZD
Retailer 11$2,910 NZD
Retailer 14$3,211 NZD
Retailer 6$3,238 NZD
Retailer 4$3,976 NZD
Retailer 9$4,592 NZD
Retailer 3$5,282 NZD
Retailer 10$5,456 NZD
Retailer 5$8,333 NZD
MOH London$8,358 NZD

17 data points across 14 retailers

11 retailers$1,615 NZD to $8,358 NZD

A
Cheapest Retailer
-
$1,615 NZD
$910 USD
B
Retailer 2
-
$2,509 NZD
$1,414 USD
View
B
Retailer 3
-
$2,731 NZD
$1,539 USD
View
B
Retailer 4
-
$2,809 NZD
$1,583 USD
View
Final sale: no returns
B
Retailer 5
-
$2,910 NZD
$1,640 USD
View
Retailer 6
-
$2,910 NZD
$1,640 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,211 NZD
$1,810 USD
View
B
Retailer 8
-
$4,592 NZD
$2,588 USD
View
B
Retailer 9
-
$5,282 NZD
$2,977 USD
View
B
Retailer 10
-
$5,456 NZD
$3,075 USD
View
Most Expensive
B
MOH London
LG425067413 · Oct 29
$8,358 NZD
£3,709 GBP
View
10 more retailers have this diamond
Prices start from $1,615 NZDSave up to $6,743 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.

A
1.64ct Emerald
$1,615 NZD