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Round|Natural|GIA

1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1499133299

Certificate GIA 1499133299

Diamond specifications and retailer prices

From $4,206 AUD
As of November 4, 2026
Save $5,210 AUD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,808 AUD at NZ Jewellers · As of October 20, 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 GIA 1499133299. Listed at 18 retailers as of November 2, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1499133299
Dimensions7.38 × 7.34 × 4.54 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Cert comments
Additional twinning wisps- pinpoints and surface graining are not shown.
Key to symbols
Feather, Crystal, Twinning Wisp
Top View
7.38 mm7.34 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1499133299
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 4
Current: $4,241 AUD|Low: $4,206 AUD|High: $9,528 AUD|Avg: $5,921 AUD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$4,206 AUD
Retailer 1$4,241 AUD
Retailer 2$5,057 AUD
Retailer 11$5,071 AUD
Retailer 3$5,195 AUD
Retailer 5$5,301 AUD
Retailer 9$5,325 AUD
Retailer 6$5,633 AUD
Retailer 7$6,321 AUD
Retailer 4$7,245 AUD
Retailer 8$9,415 AUD

31 data points across 11 retailers

18 retailers$4,206 AUD to $9,415 AUD

A
Cheapest Retailer
-
$4,206 AUD
A
Retailer 2
-
$4,241 AUD
View
A
Retailer 3
-
$4,954 AUD
View
A
Retailer 4
-
$5,057 AUD
View
A
Retailer 5
-
$5,071 AUD
View
A
Retailer 6
-
$5,195 AUD
View
Final sale: no returns
A
Retailer 7
-
$5,301 AUD
View
A
Retailer 8
-
$5,325 AUD
View
Retailer 9
-
$5,630 AUD
View
Price last confirmed 21 days ago
Retailer 10
-
$5,630 AUD
View
Price last confirmed 17 days ago
Retailer 11
-
$5,630 AUD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$5,633 AUD
View
B+
Retailer 13
-
$5,840 AUD
View
B+
Retailer 14
-
$6,321 AUD
View
Retailer 15
-
$6,497 AUD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$7,245 AUD
View
B
Retailer 17
-
$9,415 AUD
View
Most Expensive
NZ Jewellers
d14a2bef-9199-4459-9d50-ae62086718e9 · Oct 20
$9,808 AUD
$6,866 USD
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from $4,206 AUDSave up to $5,210 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
$4,206 AUD