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Oval|Natural|GIA

1.30ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 7556609890

Certificate GIA 7556609890

Diamond specifications and retailer prices

From $3,488 AUD
HK$19,100 HKD
As of November 1, 2026
Save $4,551 AUD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,039 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 7556609890. Listed at 21 retailers as of October 30, 2026, with prices from $3,488 to $8,039, a $4,551 spread on the same certified stone. NZ Jewellers lists it at $8,039. 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

1.30
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7556609890
Dimensions8.42 × 6.10 × 3.97 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.42 mm6.10 mm1.30 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556609890
Side View
Table 58.0%Crown 38.9°Girdle: MED-STKPavilion 37.8°Culet: NDepth 65.0%

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: Nov 1
Current: $8,039 AUD|Low: $3,470 AUD|High: $8,279 AUD|Avg: $4,920 AUD|-2.9%
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 3$3,488 AUD
Retailer 21$3,727 AUD
Retailer 16$3,746 AUD
Retailer 8$3,801 AUD
Retailer 18$3,841 AUD
Retailer 19$3,848 AUD
Retailer 17$4,162 AUD
Retailer 9$4,181 AUD
Retailer 10$4,341 AUD
Retailer 5$4,737 AUD
Retailer 11$4,752 AUD
Retailer 2$4,801 AUD
Retailer 7$4,803 AUD
Retailer 12$4,923 AUD
Retailer 4$5,117 AUD
Retailer 14$5,162 AUD
Retailer 6$5,379 AUD
Retailer 13$5,451 AUD
Retailer 20$5,647 AUD
Retailer 15$7,684 AUD
NZ Jewellers$8,039 AUD

33 data points across 21 retailers

21 retailers$3,488 AUD to $8,039 AUD

A
Cheapest Retailer
-
$3,488 AUD
HK$19,100 HKD
A
Retailer 2
-
$3,727 AUD
$2,612 USD
View
A
Retailer 3
-
$3,746 AUD
$2,625 USD
View
A
Retailer 4
-
$3,801 AUD
$2,664 USD
View
B+
Retailer 5
-
$3,841 AUD
$2,692 USD
View
Final sale: no returns
A
Retailer 6
-
$3,848 AUD
$2,697 USD
View
B+
Retailer 7
-
$4,162 AUD
$2,917 USD
View
B+
Retailer 8
-
$4,181 AUD
$2,930 USD
View
B+
Retailer 9
-
$4,341 AUD
$3,042 USD
View
B+
Retailer 10
-
$4,737 AUD
$3,320 USD
View
B+
Retailer 11
-
$4,752 AUD
$3,330 USD
View
B+
Retailer 12
-
$4,801 AUD
£2,649 GBP
View
B+
Retailer 13
-
$4,803 AUD
$3,366 USD
View
B+
Retailer 14
-
$4,923 AUD
$3,450 USD
View
B
Retailer 15
-
$5,117 AUD
$3,586 USD
View
Retailer 16
-
$5,162 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$5,379 AUD
€3,590 EUR
View
B+
Retailer 18
-
$5,451 AUD
$3,820 USD
View
B
Retailer 19
-
$5,647 AUD
ZAR 63,933 ZAR
View
B
Retailer 20
-
$7,684 AUD
£4,240 GBP
View
Most Expensive
B
NZ Jewellers
05f0da9f-f850-4587-9553-0258ab60831e · Oct 30
$8,039 AUD
$5,634 USD
View
20 more retailers have this diamond
Prices start from $3,488 AUDSave up to $4,551 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
1.30ct Oval
$3,488 AUD