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0.54ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG559281033

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559281033

Diamond specifications and retailer prices

From $466 AUD
$328 USD
As of October 28, 2026
Save $711 AUD (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,177 AUD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559281033 or 559281033. Listed at 2 retailers as of October 28, 2026, with prices from $466 to $1,177, a $711 spread on the same certified stone. MOH London lists it at $1,177. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559281033
Dimensions5.16 × 5.15 × 3.27 mm
L/W Ratio1.00
Girdle conditionFaceted
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
5.16 mm5.15 mm0.54 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559281033
Side View
Table 57.5%Crown 36.1°Girdle: MED-STKPavilion 41.4°CuletDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,177 AUD|Low: $431 AUD|High: $1,186 AUD|Avg: $813 AUD|+0.5%
MOH London
Retailer 2
October 19, 2026
Retailer 2$466 AUD
MOH London$1,177 AUD

5 data points across 2 retailers

2 retailers$466 AUD to $1,177 AUD

A
Cheapest Retailer
-
$466 AUD
$328 USD
Most Expensive
B
MOH London
LG559281033 · Oct 29
$1,177 AUD
£652 GBP
View
1 more retailer has this diamond
Prices start from $466 AUDSave up to $711 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
$466 AUD