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Emerald|Lab Grown|IGI

1.20ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG725511234

Shape and cutting style on the report: Emerald cut

Certificate IGI LG725511234

Diamond specifications and retailer prices

From $641 NZD
€344 EUR
As of October 29, 2026
Save $1,128 NZD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,769 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct lab-grown emerald diamond

This 1.2ct 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 LG725511234 or 725511234. Listed at 6 retailers as of October 29, 2026, with prices from $641 to $1,769, a $1,128 spread on the same certified stone. MOH London lists it at $1,769. 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

1.20
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725511234
Dimensions7.11 × 4.99 × 3.44 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm4.99 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725511234
Side View
Table 67.0%Crown 34.4°Girdle: Slightly ThickPavilion 42.9°Culet: LargeDepth 68.9%

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 29
Current: $1,769 NZD|Low: $554 NZD|High: $1,782 NZD|Avg: $935 NZD|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$641 NZD
Retailer 2$672 NZD
Retailer 6$672 NZD
Retailer 5$951 NZD
Retailer 4$967 NZD
MOH London$1,769 NZD

31 data points across 6 retailers

6 retailers$641 NZD to $1,769 NZD

A
Cheapest Retailer
-
$641 NZD
€344 EUR
A
Retailer 2
-
$672 NZD
£298 GBP
View
A
Retailer 3
-
$672 NZD
$379 USD
View
B+
Retailer 4
-
$951 NZD
$536 USD
View
B+
Retailer 5
-
$967 NZD
$545 USD
View
Most Expensive
B
MOH London
LG725511234 · Oct 29
$1,769 NZD
£785 GBP
View
5 more retailers have this diamond
Prices start from $641 NZDSave up to $1,128 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
1.20ct Emerald
$641 NZD