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Emerald|Lab Grown|IGI

1.54ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG620416945

Shape and cutting style on the report: Emerald cut

Certificate IGI LG620416945

Diamond specifications and retailer prices

From $647 AUD
As of November 6, 2026
Save $1,020 AUD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,667 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown emerald diamond

This 1.54ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620416945 or 620416945. Listed at 6 retailers as of November 1, 2026, with prices from $647 to $1,667, a $1,020 spread on the same certified stone. MOH London lists it at $1,667. 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

1.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle44.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620416945
Dimensions7.69 × 5.39 × 3.89 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.69 mm5.39 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620416945
Side View
Table 61.0%Crown 41.5°Girdle: Slightly ThickPavilion 44.1°Culet: LNGDepth 72.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,667 AUD|Low: $611 AUD|High: $1,687 AUD|Avg: $993 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$647 AUD
Retailer 5$743 AUD
Retailer 2$777 AUD
Retailer 3$1,186 AUD
MOH London$1,667 AUD

43 data points across 5 retailers

6 retailers$647 AUD to $1,667 AUD

B+
Cheapest Retailer
-
$647 AUD
B+
Retailer 2
-
$743 AUD
View
B+
Retailer 3
-
$777 AUD
View
B+
Retailer 4
-
$1,186 AUD
View
Retailer 5
-
$1,236 AUD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
LG620416945 · Nov 1
$1,667 AUD
£919 GBP
View
5 more retailers have this diamond
Prices start from $647 AUDSave up to $1,020 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.

B+
1.54ct Emerald
$647 AUD