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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG840636180

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840636180

Diamond specifications and retailer prices

From $266 AUD
As of November 5, 2026
Save $1,256 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,522 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840636180 or 840636180. Listed at 9 retailers as of November 2, 2026, with prices from $266 to $1,522, a $1,256 spread on the same certified stone. MOH London lists it at $1,522. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840636180
Dimensions7.38 × 7.44 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.44 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840636180
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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 5
Current: $1,522 AUD|Low: $251 AUD|High: $1,540 AUD|Avg: $820 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$266 AUD
Retailer 5$309 AUD
Retailer 7$556 AUD
Retailer 2$564 AUD
Retailer 8$804 AUD
Retailer 3$1,060 AUD
Retailer 6$1,120 AUD
Retailer 9$1,320 AUD
MOH London$1,522 AUD

32 data points across 9 retailers

9 retailers$266 AUD to $1,522 AUD

A
Cheapest Retailer
-
$266 AUD
A
Retailer 2
-
$309 AUD
View
Retailer 3
-
$556 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$564 AUD
View
B+
Retailer 5
-
$804 AUD
View
B+
Retailer 6
-
$1,060 AUD
View
B
Retailer 7
-
$1,120 AUD
View
Retailer 8
-
$1,320 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG840636180 · Nov 2
$1,522 AUD
£839 GBP
View
8 more retailers have this diamond
Prices start from $266 AUDSave up to $1,256 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 Round
$266 AUD