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Oval|Natural|GIA

1.50ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2517328239

Certificate GIA 2517328239

Diamond specifications and retailer prices

From $6,072 AUD
$4,265 USD
As of October 28, 2026
Save $7,060 AUD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,131 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 2517328239. Listed at 17 retailers as of October 28, 2026, with prices from $6,072 to $13,131, a $7,060 spread on the same certified stone. NZ Jewellers lists it at $13,131. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.08°
Pavilion angle40.76°
OriginNatural
Grading LabGIA
CertificateGIA 2517328239
Dimensions8.76 × 6.36 × 4.10 mm
L/W Ratio1.38
Top View
8.76 mm6.36 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2517328239
Side View
Table 59.0%Crown 40.08°Girdle: STK-VTKPavilion 40.76°Culet: NoneDepth 64.5%

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: Oct 28
Current: $13,131 AUD|Low: $5,684 AUD|High: $13,131 AUD|Avg: $8,281 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 2, 2026
Retailer 7$6,072 AUD
Retailer 9$6,203 AUD
Retailer 10$6,566 AUD
Retailer 8$6,680 AUD
Retailer 4$7,112 AUD
Retailer 11$7,112 AUD
Retailer 12$7,112 AUD
Retailer 2$7,660 AUD
Retailer 3$8,207 AUD
Retailer 6$8,886 AUD
Retailer 5$12,504 AUD
NZ Jewellers$13,131 AUD

42 data points across 12 retailers

17 retailers$6,072 AUD to $13,131 AUD

B+
Cheapest Retailer
-
$6,072 AUD
$4,265 USD
B+
Retailer 2
-
$6,133 AUD
$4,308 USD
View
B+
Retailer 3
-
$6,203 AUD
$4,357 USD
View
B+
Retailer 4
-
$6,566 AUD
$4,612 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,680 AUD
$4,692 USD
View
B+
Retailer 6
-
$7,047 AUD
$4,950 USD
View
B+
Retailer 7
-
$7,112 AUD
$4,996 USD
View
B+
Retailer 8
-
$7,112 AUD
$4,996 USD
View
B+
Retailer 9
-
$7,112 AUD
$4,996 USD
View
B
Retailer 10
-
$7,660 AUD
£4,237 GBP
View
B
Retailer 11
-
$7,830 AUD
$5,500 USD
View
B
Retailer 12
-
$7,830 AUD
$5,500 USD
View
B
Retailer 13
-
$8,086 AUD
$5,680 USD
View
B
Retailer 14
-
$8,207 AUD
$5,765 USD
View
B
Retailer 15
-
$8,886 AUD
€5,945 EUR
View
B
Retailer 16
-
$12,504 AUD
£6,916 GBP
View
Most Expensive
C
NZ Jewellers
4883bf1c-cde8-4b6c-89b3-bd5cb4b4b297 · Oct 30
$13,131 AUD
$9,224 USD
View
16 more retailers have this diamond
Prices start from $6,072 AUDSave up to $7,060 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 Oval
$6,072 AUD