CaratHunter
Plans
Emerald|Lab Grown|IGI

1.59ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG645471091

Shape and cutting style on the report: Emerald cut

Certificate IGI LG645471091

Diamond specifications and retailer prices

From $331 NZD
$186 USD
As of October 30, 2026
Save $2,856 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,187 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.59ct lab-grown emerald diamond

This 1.59ct 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 LG645471091 or 645471091. Listed at 11 retailers as of October 29, 2026, with prices from $331 to $3,187, a $2,856 spread on the same certified stone. Do Amore Diamonds lists it at $3,187. 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

1.59
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645471091
Dimensions7.99 × 5.50 × 3.78 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm5.50 mm1.59 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645471091
Side View
Table 65.0%Crown 33.8°Girdle: Slightly ThickPavilion 40.2°Culet: LNGDepth 68.7%

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: $3,187 NZD|Low: $385 NZD|High: $21,516 NZD|Avg: $4,046 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8$385 NZD
Retailer 7$411 NZD
Retailer 11$556 NZD
Retailer 9$737 NZD
Retailer 2$836 NZD
Retailer 10$922 NZD
Retailer 6$1,326 NZD
Retailer 5$2,135 NZD
Do Amore Diamonds$3,187 NZD
Retailer 4$3,436 NZD
Retailer 12$10,239 NZD
Retailer 3$21,516 NZD

44 data points across 12 retailers

11 retailers$331 NZD to $3,187 NZD

A
Cheapest Retailer
-
$331 NZD
$186 USD
A
Retailer 2
-
$385 NZD
$216 USD
View
A
Retailer 3
-
$411 NZD
$231 USD
View
A
Retailer 4
-
$411 NZD
$231 USD
View
B+
Retailer 5
-
$556 NZD
$312 USD
View
A
Retailer 6
-
$836 NZD
£370 GBP
View
B+
Retailer 7
-
$922 NZD
$518 USD
View
B
Retailer 8
-
$1,326 NZD
$745 USD
View
B
Retailer 9
-
$1,460 NZD
$820 USD
View
B
Retailer 10
-
$2,135 NZD
£944 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E5F8C7ABF · Oct 29
$3,187 NZD
$1,790 USD
View
10 more retailers have this diamond
Prices start from $331 NZDSave up to $2,856 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
1.59ct Emerald
$331 NZD