Oval|Natural|GIA

1.50ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2517328239

Certificate GIA 2517328239

Diamond specifications and retailer prices

From $7,567 NZD
$4,265 USD
As of October 28, 2026
Save $8,799 NZD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,366 NZD 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 $7,567 to $16,366, a $8,799 spread on the same certified stone. NZ Jewellers lists it at $16,366. 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: $16,366 NZD|Low: $7,085 NZD|High: $16,366 NZD|Avg: $10,321 NZD
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$7,567 NZD
Retailer 9$7,731 NZD
Retailer 10$8,183 NZD
Retailer 8$8,325 NZD
Retailer 4$8,864 NZD
Retailer 11$8,864 NZD
Retailer 12$8,864 NZD
Retailer 5$9,547 NZD
Retailer 3$10,229 NZD
Retailer 2$11,072 NZD
Retailer 6$15,584 NZD
NZ Jewellers$16,366 NZD

42 data points across 12 retailers

17 retailers$7,567 NZD to $16,366 NZD

B+
Cheapest Retailer
-
$7,567 NZD
$4,265 USD
B+
Retailer 2
-
$7,644 NZD
$4,308 USD
View
B+
Retailer 3
-
$7,731 NZD
$4,357 USD
View
B+
Retailer 4
-
$8,183 NZD
$4,612 USD
View
Final sale: no returns
B+
Retailer 5
-
$8,325 NZD
$4,692 USD
View
B+
Retailer 6
-
$8,783 NZD
$4,950 USD
View
B+
Retailer 7
-
$8,864 NZD
$4,996 USD
View
B+
Retailer 8
-
$8,864 NZD
$4,996 USD
View
B+
Retailer 9
-
$8,864 NZD
$4,996 USD
View
B
Retailer 10
-
$9,547 NZD
£4,237 GBP
View
B
Retailer 11
-
$9,759 NZD
$5,500 USD
View
B
Retailer 12
-
$9,759 NZD
$5,500 USD
View
B
Retailer 13
-
$10,078 NZD
$5,680 USD
View
B
Retailer 14
-
$10,229 NZD
$5,765 USD
View
B
Retailer 15
-
$11,072 NZD
€5,943 EUR
View
B
Retailer 16
-
$15,584 NZD
£6,916 GBP
View
Most Expensive
C
NZ Jewellers
4883bf1c-cde8-4b6c-89b3-bd5cb4b4b297 · Oct 30
$16,366 NZD
$9,224 USD
View
16 more retailers have this diamond
Prices start from $7,567 NZDSave up to $8,799 NZD

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
$7,567 NZD