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Emerald|Lab Grown|IGI

1.54ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG631467040

Shape and cutting style on the report: Emerald cut

Certificate IGI LG631467040

Diamond specifications and retailer prices

From $373 AUD
$262 USD
As of November 1, 2026
Save $590 AUD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,295 AUD at MOH London · As of October 21, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631467040 or 631467040. Listed at 6 retailers as of October 31, 2026, with a 158% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631467040
Dimensions7.87 × 5.52 × 3.70 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
7.87 mm5.52 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631467040
Side View
Table 61.0%Crown 32.5°Girdle: MediumPavilion 43.1°Culet: LNGDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,295 AUD|Low: $373 AUD|High: $1,342 AUD|Avg: $816 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$373 AUD
Retailer 2$482 AUD
Retailer 3$497 AUD
Retailer 5$651 AUD
Retailer 8$726 AUD
Retailer 6$963 AUD
MOH London$1,295 AUD
Retailer 7$1,342 AUD

16 data points across 8 retailers

6 retailers$373 AUD to $963 AUD

B+
Cheapest Retailer
-
$373 AUD
$262 USD
A
Retailer 2
-
$482 AUD
£267 GBP
View
A
Retailer 3
-
$497 AUD
£275 GBP
View
A
Retailer 4
-
$651 AUD
$457 USD
View
B+
Retailer 5
-
$963 AUD
$677 USD
View
Most Expensive
MOH London
LG631467040 · Oct 21
$1,295 AUD
£716 GBP
View
Price last confirmed 11 days ago
5 more retailers have this diamond
Prices start from $373 AUDSave up to $590 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
1.54ct Emerald
$373 AUD