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Emerald|Lab Grown|IGI

1.09ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG445057746

Shape and cutting style on the report: Emerald cut

Certificate IGI LG445057746

Diamond specifications and retailer prices

From $587 NZD
$331 USD
As of October 30, 2026
Save $1,046 NZD (64%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,634 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown emerald diamond

This 1.09ct 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 LG445057746 or 445057746. Listed at 5 retailers as of October 29, 2026, with prices from $587 to $1,634, a $1,046 spread on the same certified stone. MOH London lists it at $1,634. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.7°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445057746
Dimensions6.80 × 4.86 × 3.26 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
6.80 mm4.86 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445057746
Side View
Table 64.0%Crown 29.7°Girdle: ThickPavilion 41.8°Culet: LNGDepth 67.1%

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: $1,634 NZD|Low: $543 NZD|High: $1,755 NZD|Avg: $1,055 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$587 NZD
Retailer 2$611 NZD
Retailer 4$756 NZD
MOH London$1,634 NZD
Retailer 5$1,755 NZD

40 data points across 5 retailers

5 retailers$587 NZD to $1,634 NZD

A
Cheapest Retailer
-
$587 NZD
$331 USD
A
Retailer 2
-
$611 NZD
£271 GBP
View
B+
Retailer 3
-
$756 NZD
$426 USD
View
B
Retailer 4
-
$1,427 NZD
$804 USD
View
Most Expensive
B
MOH London
LG445057746 · Oct 29
$1,634 NZD
£725 GBP
View
4 more retailers have this diamond
Prices start from $587 NZDSave up to $1,046 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
1.09ct Emerald
$587 NZD