CaratHunter
Plans
Emerald|Lab Grown|IGI

1.66ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG593300900

Shape and cutting style on the report: Emerald cut

Certificate IGI LG593300900

Diamond specifications and retailer prices

From $339 NZD
$191 USD
As of October 27, 2026
Save $2,908 NZD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,247 NZD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.66ct lab-grown emerald diamond

This 1.66ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG593300900 or 593300900. Listed at 8 retailers as of October 27, 2026, with prices from $339 to $3,247, a $2,908 spread on the same certified stone. Do Amore Diamonds lists it at $3,247. 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

1.66
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593300900
Dimensions8.09 × 5.61 × 3.75 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
8.09 mm5.61 mm1.66 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593300900
Side View
Table 63.0%Crown 37.2°Girdle: MediumPavilion 41.9°Culet: LNGDepth 66.8%

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 27
Current: $3,247 NZD|Low: $261 NZD|High: $3,300 NZD|Avg: $1,284 NZD|-1.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 21, 2026
Retailer 7$339 NZD
Retailer 9$385 NZD
Retailer 6$394 NZD
Retailer 5$736 NZD
Retailer 10$1,351 NZD
Retailer 4$1,357 NZD
Retailer 8$1,492 NZD
Retailer 3$1,623 NZD
Retailer 2$1,870 NZD
Do Amore Diamonds$3,247 NZD

18 data points across 10 retailers

8 retailers$339 NZD to $3,247 NZD

A
Cheapest Retailer
-
$339 NZD
$191 USD
A
Retailer 2
-
$394 NZD
$222 USD
View
B+
Retailer 3
-
$736 NZD
$415 USD
View
B+
Retailer 4
-
$1,357 NZD
$765 USD
View
B+
Retailer 5
-
$1,492 NZD
$841 USD
View
Retailer 6
-
$1,561 NZD
$880 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$1,870 NZD
£830 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-B6124BE47 · Oct 27
$3,247 NZD
$1,830 USD
View
7 more retailers have this diamond
Prices start from $339 NZDSave up to $2,908 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
1.66ct Emerald
$339 NZD