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Oval|Natural|GIA

1.50ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6555650202

Certificate GIA 6555650202

Diamond specifications and retailer prices

From $5,202 AUD
$3,654 USD
As of October 31, 2026
Save $5,932 AUD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,134 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555650202. Listed at 22 retailers as of October 30, 2026, with prices from $5,202 to $11,134, a $5,932 spread on the same certified stone. NZ Jewellers lists it at $11,134. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555650202
Dimensions8.65 × 6.19 × 3.96 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Natural
Top View
8.65 mm6.19 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555650202
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.0%

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: Oct 31
Current: $11,134 AUD|Low: $5,202 AUD|High: $11,538 AUD|Avg: $6,927 AUD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 10$5,202 AUD
Retailer 5$5,344 AUD
Retailer 6$5,426 AUD
Retailer 17$5,431 AUD
Retailer 7$5,758 AUD
Retailer 20$5,771 AUD
Retailer 3$5,790 AUD
Retailer 4$5,790 AUD
Retailer 21$5,790 AUD
Retailer 15$5,872 AUD
Retailer 13$6,149 AUD
Retailer 9$6,341 AUD
Retailer 2$6,538 AUD
Retailer 19$6,681 AUD
Retailer 8$6,704 AUD
Retailer 14$6,719 AUD
Retailer 18$6,877 AUD
Retailer 16$7,855 AUD
Retailer 11$8,712 AUD
Retailer 12$10,562 AUD
NZ Jewellers$11,134 AUD

23 data points across 21 retailers

22 retailers$5,202 AUD to $11,134 AUD

A
Cheapest Retailer
-
$5,202 AUD
$3,654 USD
A
Retailer 2
-
$5,344 AUD
$3,754 USD
View
Final sale: no returns
A
Retailer 3
-
$5,426 AUD
$3,812 USD
View
A
Retailer 4
-
$5,431 AUD
$3,815 USD
View
B+
Retailer 5
-
$5,758 AUD
$4,045 USD
View
B+
Retailer 6
-
$5,771 AUD
$4,054 USD
View
B+
Retailer 7
-
$5,790 AUD
$4,067 USD
View
B+
Retailer 8
-
$5,790 AUD
$4,067 USD
View
B+
Retailer 9
-
$5,790 AUD
$4,067 USD
View
B+
Retailer 10
-
$5,872 AUD
$4,125 USD
View
B+
Retailer 11
-
$6,149 AUD
£3,401 GBP
View
B+
Retailer 12
-
$6,341 AUD
$4,454 USD
View
B+
Retailer 13
-
$6,538 AUD
£3,616 GBP
View
Retailer 14
-
$6,677 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$6,681 AUD
$4,693 USD
View
B+
Retailer 16
-
$6,704 AUD
$4,709 USD
View
Retailer 17
-
$6,719 AUD
$4,720 USD
View
Price last confirmed 17 days ago
B+
Retailer 18
-
$6,877 AUD
€4,601 EUR
View
B
Retailer 19
-
$7,855 AUD
ZAR 89,144 ZAR
View
B
Retailer 20
-
$8,712 AUD
$6,120 USD
View
B
Retailer 21
-
$10,562 AUD
£5,842 GBP
View
Most Expensive
B
NZ Jewellers
eea088da-c988-4125-ad18-59a278d9a39f · Oct 30
$11,134 AUD
$7,821 USD
View
21 more retailers have this diamond
Prices start from $5,202 AUDSave up to $5,932 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
1.50ct Oval
$5,202 AUD