Oval|Natural|GIA

1.50ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 6542184530

Certificate GIA 6542184530

Diamond specifications and retailer prices

From $5,723 NZD
HK$25,200 HKD
As of November 1, 2026
Save $7,007 NZD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,731 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 6542184530. Listed at 21 retailers as of October 30, 2026, with prices from $5,723 to $12,731, a $7,007 spread on the same certified stone. NZ Jewellers lists it at $12,731. 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
SymmetryExcellent
FluorescenceFaint
Crown angle40.08°
Pavilion angle36.91°
OriginNatural
Grading LabGIA
CertificateGIA 6542184530
Dimensions8.78 × 6.26 × 4.04 mm
L/W Ratio1.40
Top View
8.78 mm6.26 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542184530
Side View
Table 63.0%Crown 40.08°Girdle: THK-VTKPavilion 36.91°Culet: NoneDepth 64.5%

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 1
Current: $7,225 NZD|Low: $5,723 NZD|High: $12,369 NZD|Avg: $7,667 NZD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$5,723 NZD
Retailer 4$5,805 NZD
Retailer 8$6,510 NZD
Retailer 9$6,746 NZD
Retailer 7$6,987 NZD
Retailer 1$7,225 NZD
Retailer 3$7,475 NZD
Retailer 2$8,270 NZD
Retailer 5$12,220 NZD

26 data points across 9 retailers

21 retailers$5,723 NZD to $12,731 NZD

A
Cheapest Retailer
-
$5,723 NZD
HK$25,200 HKD
A
Retailer 2
-
$5,805 NZD
₹311,569 INR
View
A
Retailer 3
-
$6,295 NZD
$3,548 USD
View
A
Retailer 4
-
$6,430 NZD
$3,624 USD
View
A
Retailer 5
-
$6,510 NZD
SGD 4,958 SGD
View
B+
Retailer 6
-
$6,746 NZD
$3,802 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,987 NZD
$3,938 USD
View
Retailer 8
-
$7,220 NZD
SGD 5,499 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$7,225 NZD
£3,206 GBP
View
B+
Retailer 10
-
$7,307 NZD
$4,118 USD
View
B+
Retailer 11
-
$7,307 NZD
$4,118 USD
View
B+
Retailer 12
-
$7,307 NZD
$4,118 USD
View
B+
Retailer 13
-
$7,475 NZD
£3,317 GBP
View
B+
Retailer 14
-
$7,569 NZD
$4,266 USD
View
B+
Retailer 15
-
$7,596 NZD
$4,281 USD
View
B+
Retailer 16
-
$7,745 NZD
$4,365 USD
View
B+
Retailer 17
-
$8,270 NZD
€4,439 EUR
View
B+
Retailer 18
-
$8,431 NZD
$4,752 USD
View
B
Retailer 19
-
$11,078 NZD
$6,244 USD
View
B
Retailer 20
-
$12,220 NZD
£5,423 GBP
View
Most Expensive
B
NZ Jewellers
71402232-a5ce-4778-9b1b-5c8879e061ea · Oct 30
$12,731 NZD
$7,175 USD
View
20 more retailers have this diamond
Prices start from $5,723 NZDSave up to $7,007 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.

A
1.50ct Oval
$5,723 NZD