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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 $514 AUD
€344 EUR
As of October 29, 2026
Save $905 AUD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,419 AUD 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 $514 to $1,419, a $905 spread on the same certified stone. MOH London lists it at $1,419. 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: $1,419 AUD|Low: $444 AUD|High: $1,430 AUD|Avg: $750 AUD|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$514 AUD
Retailer 2$539 AUD
Retailer 6$540 AUD
Retailer 5$763 AUD
Retailer 4$776 AUD
MOH London$1,419 AUD

30 data points across 6 retailers

6 retailers$514 AUD to $1,419 AUD

A
Cheapest Retailer
-
$514 AUD
€344 EUR
A
Retailer 2
-
$539 AUD
£298 GBP
View
A
Retailer 3
-
$540 AUD
$379 USD
View
B+
Retailer 4
-
$763 AUD
$536 USD
View
B+
Retailer 5
-
$776 AUD
$545 USD
View
Most Expensive
B
MOH London
LG725511234 · Oct 29
$1,419 AUD
£785 GBP
View
5 more retailers have this diamond
Prices start from $514 AUDSave up to $905 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
1.20ct Emerald
$514 AUD