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Round|Natural|IGI

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 523294076

Shape and cutting style on the report: Round brilliant

Certificate IGI 523294076

Diamond specifications and retailer prices

From $4,343 AUD
As of November 6, 2026
Save $5,228 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,571 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 523294076. Listed at 16 retailers as of November 5, 2026, with prices from $4,343 to $9,571, a $5,228 spread on the same certified stone. NZ Jewellers lists it at $9,571. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 523294076
Dimensions7.53 × 7.48 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.53 mm7.48 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 523294076
Side View
Table 57.0%Crown 32.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

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 6
Current: $4,343 AUD|Low: $4,343 AUD|High: $9,297 AUD|Avg: $6,084 AUD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$4,343 AUD
Retailer 6$4,943 AUD
Retailer 7$5,071 AUD
Retailer 9$5,137 AUD
Retailer 8$5,494 AUD
Retailer 3$6,313 AUD
Retailer 4$6,335 AUD
Retailer 2$7,070 AUD
Retailer 5$9,187 AUD

45 data points across 9 retailers

16 retailers$4,343 AUD to $9,571 AUD

A
Cheapest Retailer
-
$4,343 AUD
A
Retailer 2
-
$4,877 AUD
View
A
Retailer 3
-
$4,943 AUD
View
B+
Retailer 4
-
$5,071 AUD
View
Final sale: no returns
B+
Retailer 5
-
$5,137 AUD
View
Retailer 6
-
$5,494 AUD
View
Price last confirmed 36 days ago
Retailer 7
-
$5,494 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$5,705 AUD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$6,313 AUD
View
B+
Retailer 10
-
$6,335 AUD
View
Retailer 11
-
$6,338 AUD
View
Price last confirmed 60 days ago
Retailer 12
-
$6,338 AUD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$7,070 AUD
View
B
Retailer 14
-
$9,187 AUD
View
Retailer 15
-
$9,571 AUD
View
Price last confirmed 39 days ago
Most Expensive
B
NZ Jewellers
856d63b7-0344-4dc9-8356-516cb1e9ce31 · Nov 5
$9,571 AUD
$6,700 USD
View
15 more retailers have this diamond
Prices start from $4,343 AUDSave up to $5,228 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
$4,343 AUD