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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 $463 AUD
As of November 6, 2026
Save $793 AUD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,255 AUD 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 $463 to $1,255, a $793 spread on the same certified stone. MOH London lists it at $1,255. 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: $1,255 AUD|Low: $379 AUD|High: $1,324 AUD|Avg: $736 AUD|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$463 AUD
Retailer 5$491 AUD
Retailer 3$619 AUD
Retailer 4$941 AUD
MOH London$1,255 AUD

43 data points across 5 retailers

5 retailers$463 AUD to $1,255 AUD

A
Cheapest Retailer
-
$463 AUD
B+
Retailer 2
-
$491 AUD
View
B+
Retailer 3
-
$619 AUD
View
B
Retailer 4
-
$941 AUD
View
Most Expensive
B
MOH London
LG459193912 · Nov 1
$1,255 AUD
£692 GBP
View
4 more retailers have this diamond
Prices start from $463 AUDSave up to $793 AUD

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
$463 AUD