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Round|Lab Grown|IGI

0.54ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG407915209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407915209

Diamond specifications and retailer prices

From $341 AUD
$240 USD
As of October 29, 2026
Save $1,363 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,705 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407915209 or 407915209. Listed at 11 retailers as of October 29, 2026, with prices from $341 to $1,705, a $1,363 spread on the same certified stone. MOH London lists it at $1,705. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407915209
Dimensions5.38 × 5.33 × 3.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
5.38 mm5.33 mm0.54 ctJ / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407915209
Side View
Table 57.5%Crown 31.6°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.6%

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: Oct 29
Current: $1,705 AUD|Low: $327 AUD|High: $1,716 AUD|Avg: $764 AUD|+0.5%
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
October 29, 2026
Retailer 7$341 AUD
Retailer 12$382 AUD
Retailer 3$395 AUD
Retailer 9$424 AUD
Retailer 11$424 AUD
Retailer 8$498 AUD
Retailer 10$714 AUD
Retailer 5$718 AUD
Retailer 2$811 AUD
Retailer 4$847 AUD
Retailer 13$1,361 AUD
Retailer 6$1,365 AUD
MOH London$1,705 AUD

20 data points across 13 retailers

11 retailers$341 AUD to $1,705 AUD

A
Cheapest Retailer
-
$341 AUD
$240 USD
B+
Retailer 2
-
$382 AUD
$269 USD
View
Final sale: no returns
B+
Retailer 3
-
$395 AUD
$278 USD
View
B+
Retailer 4
-
$424 AUD
$298 USD
View
B+
Retailer 5
-
$424 AUD
$298 USD
View
B+
Retailer 6
-
$498 AUD
$350 USD
View
B+
Retailer 7
-
$714 AUD
$502 USD
View
B+
Retailer 8
-
$811 AUD
€543 EUR
View
B
Retailer 9
-
$1,361 AUD
$957 USD
View
B
Retailer 10
-
$1,365 AUD
$960 USD
View
Most Expensive
B
MOH London
LG407915209 · Oct 29
$1,705 AUD
£944 GBP
View
10 more retailers have this diamond
Prices start from $341 AUDSave up to $1,363 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
$341 AUD