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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6492040977

Certificate GIA 6492040977

Diamond specifications and retailer prices

From $7,394 AUD
As of November 6, 2026
Save $9,107 AUD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $16,501 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 6492040977. Listed at 21 retailers as of November 5, 2026, with prices from $7,394 to $16,501, a $9,107 spread on the same certified stone. NZ Jewellers lists it at $16,501. 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

1.50
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6492040977
Dimensions7.36 × 7.31 × 4.47 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.36 mm7.31 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492040977
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $16,501 AUD|Low: $6,875 AUD|High: $16,501 AUD|Avg: $10,195 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$7,394 AUD
Retailer 7$7,514 AUD
Retailer 8$8,251 AUD
Retailer 3$8,938 AUD
Retailer 9$8,938 AUD
Retailer 12$8,938 AUD
Retailer 2$9,307 AUD
Retailer 5$10,137 AUD
Retailer 11$10,314 AUD
Retailer 4$10,874 AUD
Retailer 6$14,496 AUD
NZ Jewellers$16,501 AUD

42 data points across 12 retailers

21 retailers$7,394 AUD to $16,501 AUD

B+
Cheapest Retailer
-
$7,394 AUD
B+
Retailer 2
-
$7,514 AUD
View
B
Retailer 3
-
$7,577 AUD
View
B+
Retailer 4
-
$7,795 AUD
View
B+
Retailer 5
-
$8,101 AUD
View
B
Retailer 6
-
$8,251 AUD
View
Final sale: no returns
B
Retailer 7
-
$8,255 AUD
View
B
Retailer 8
-
$8,320 AUD
View
B
Retailer 9
-
$8,938 AUD
View
Retailer 10
-
$8,938 AUD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$8,938 AUD
View
B
Retailer 12
-
$9,307 AUD
View
B
Retailer 13
-
$9,427 AUD
View
B
Retailer 14
-
$9,942 AUD
View
B
Retailer 15
-
$9,942 AUD
View
B
Retailer 16
-
$10,137 AUD
View
B
Retailer 17
-
$10,285 AUD
View
B
Retailer 18
-
$10,314 AUD
View
Retailer 19
-
$10,874 AUD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$14,496 AUD
View
Most Expensive
B
NZ Jewellers
685f6d57-6f08-4fdb-9fdc-7553c50ef302 · Nov 5
$16,501 AUD
$11,551 USD
View
20 more retailers have this diamond
Prices start from $7,394 AUDSave up to $9,107 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.

B+
1.50ct Round
$7,394 AUD