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Emerald|Lab Grown|IGI

1.80ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG593398497

Shape and cutting style on the report: Emerald cut

Certificate IGI LG593398497

Diamond specifications and retailer prices

From $603 NZD
$340 USD
As of October 30, 2026
Save $2,414 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,017 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown emerald diamond

This 1.8ct 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 LG593398497 or 593398497. Listed at 11 retailers as of October 29, 2026, with prices from $603 to $3,017, a $2,414 spread on the same certified stone. MOH London lists it at $3,017. 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

1.80
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593398497
Dimensions8.07 × 5.71 × 3.80 mm
L/W Ratio1.41
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
8.07 mm5.71 mm1.80 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593398497
Side View
Table 59.0%Crown 31.9°Girdle: Slightly ThickPavilion 39.9°Culet: LNGDepth 66.5%

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: $3,017 NZD|Low: $483 NZD|High: $3,038 NZD|Avg: $1,377 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
October 29, 2026
Retailer 6$603 NZD
Retailer 12$676 NZD
Retailer 11$701 NZD
Retailer 7$749 NZD
Retailer 10$749 NZD
Retailer 2$1,020 NZD
Retailer 8$1,205 NZD
Retailer 3$1,222 NZD
Retailer 4$2,008 NZD
Retailer 5$2,197 NZD
Retailer 9$2,408 NZD
MOH London$3,017 NZD

22 data points across 12 retailers

11 retailers$603 NZD to $3,017 NZD

A
Cheapest Retailer
-
$603 NZD
$340 USD
A
Retailer 2
-
$676 NZD
$381 USD
View
Final sale: no returns
A
Retailer 3
-
$701 NZD
$395 USD
View
A
Retailer 4
-
$749 NZD
$422 USD
View
Retailer 5
-
$749 NZD
$422 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,020 NZD
$575 USD
View
B+
Retailer 7
-
$1,205 NZD
$679 USD
View
B+
Retailer 8
-
$1,222 NZD
$689 USD
View
B+
Retailer 9
-
$2,197 NZD
$1,238 USD
View
B+
Retailer 10
-
$2,408 NZD
$1,357 USD
View
Most Expensive
B
MOH London
LG593398497 · Oct 29
$3,017 NZD
£1,339 GBP
View
10 more retailers have this diamond
Prices start from $603 NZDSave up to $2,414 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
1.80ct Emerald
$603 NZD