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Emerald|Lab Grown|IGI

1.05ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG459193912

Shape and cutting style on the report: Emerald cut

Certificate IGI LG459193912

Diamond specifications and retailer prices

From $576 NZD
As of November 6, 2026
Save $987 NZD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,563 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown emerald diamond

This 1.05ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459193912 or 459193912. Listed at 5 retailers as of November 1, 2026, with prices from $576 to $1,563, a $987 spread on the same certified stone. MOH London lists it at $1,563. 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle18°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459193912
Dimensions6.72 × 4.94 × 3.26 mm
L/W Ratio1.36
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.72 mm4.94 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459193912
Side View
Table 62.5%Crown 18°Girdle: MediumPavilion 42.6°Culet: LNGDepth 66.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,563 NZD|Low: $471 NZD|High: $1,649 NZD|Avg: $917 NZD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$576 NZD
Retailer 5$612 NZD
Retailer 3$770 NZD
Retailer 4$1,172 NZD
MOH London$1,563 NZD

43 data points across 5 retailers

5 retailers$576 NZD to $1,563 NZD

A
Cheapest Retailer
-
$576 NZD
B+
Retailer 2
-
$612 NZD
View
B+
Retailer 3
-
$770 NZD
View
B
Retailer 4
-
$1,172 NZD
View
Most Expensive
B
MOH London
LG459193912 · Nov 1
$1,563 NZD
£692 GBP
View
4 more retailers have this diamond
Prices start from $576 NZDSave up to $987 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
1.05ct Emerald
$576 NZD