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 $453 USD
As of November 6, 2026
Save $714 USD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,167 USD 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 $453 to $1,167, a $714 spread on the same certified stone. MOH London lists it at $1,167. 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
Color
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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Price History

Last verified: Nov 6
Current: $1,167 USD|Low: $428 USD|High: $1,181 USD|Avg: $695 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$453 USD
Retailer 5$520 USD
Retailer 2$544 USD
Retailer 3$830 USD
MOH London$1,167 USD

43 data points across 5 retailers

6 retailers$453 USD to $1,167 USD

B+
Cheapest Retailer
-
$453 USD
B+
Retailer 2
-
$520 USD
View
B+
Retailer 3
-
$544 USD
View
B+
Retailer 4
-
$830 USD
View
Retailer 5
-
$865 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
LG620416945 · Nov 1
$1,167 USD
£919 GBP
View
5 more retailers have this diamond
Prices start from $453 USDSave up to $714 USD

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
$453 USD