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Round|Lab Grown|IGI

0.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG645422096

Shape and cutting style on the report: Round brilliant

Certificate IGI LG645422096

Diamond specifications and retailer prices

From $144 AUD
As of November 5, 2026
Save $1,173 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,317 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.54ct lab-grown round diamond

This 0.54ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645422096 or 645422096. Listed at 13 retailers as of November 4, 2026, with prices from $144 to $1,317, a $1,173 spread on the same certified stone. MOH London lists it at $1,317. 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

0.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645422096
Dimensions5.28 × 5.26 × 3.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.28 mm5.26 mm0.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645422096
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.9%

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: Nov 5
Current: $1,317 AUD|Low: $139 AUD|High: $1,335 AUD|Avg: $407 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10$144 AUD
Retailer 5$169 AUD
Retailer 4$191 AUD
Retailer 11$191 AUD
Retailer 9$236 AUD
Retailer 8$337 AUD
Retailer 6$346 AUD
Retailer 2$364 AUD
Retailer 7$416 AUD
Retailer 12$471 AUD
Retailer 13$511 AUD
Retailer 3$577 AUD
MOH London$1,317 AUD

43 data points across 13 retailers

13 retailers$144 AUD to $1,317 AUD

A
Cheapest Retailer
-
$144 AUD
A
Retailer 2
-
$169 AUD
View
A
Retailer 3
-
$191 AUD
View
Retailer 4
-
$191 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$236 AUD
View
Retailer 6
-
$257 AUD
View
Price last confirmed 23 days ago
A
Retailer 7
-
$337 AUD
View
A
Retailer 8
-
$346 AUD
View
B+
Retailer 9
-
$364 AUD
View
B+
Retailer 10
-
$416 AUD
View
B+
Retailer 11
-
$511 AUD
View
B+
Retailer 12
-
$577 AUD
View
Most Expensive
B
MOH London
LG645422096 · Nov 4
$1,317 AUD
£726 GBP
View
12 more retailers have this diamond
Prices start from $144 AUDSave up to $1,173 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
0.54ct Round
$144 AUD