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Oval|Natural|GIA

1.30ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 1549153020

Certificate GIA 1549153020

Diamond specifications and retailer prices

From $3,854 AUD
HK$21,100 HKD
As of November 1, 2026
Save $4,857 AUD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,711 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 1549153020. Listed at 26 retailers as of October 30, 2026, with prices from $3,854 to $8,711, a $4,857 spread on the same certified stone. NZ Jewellers lists it at $8,711. 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 angle41.32°
Pavilion angle35.72°
OriginNatural
Grading LabGIA
CertificateGIA 1549153020
Dimensions8.32 × 5.94 × 3.79 mm
L/W Ratio1.40
Key to symbols
Crystal, Feather, Pinpoint
Top View
8.32 mm5.94 mm1.30 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549153020
Side View
Table 63.0%Crown 41.32°Girdle: THK-VTKPavilion 35.72°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,852 AUD|Low: $3,854 AUD|High: $8,463 AUD|Avg: $5,276 AUD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$3,854 AUD
Retailer 4$3,877 AUD
Retailer 10$4,381 AUD
Retailer 2$4,615 AUD
Retailer 9$4,766 AUD
Retailer 5$4,878 AUD
Retailer 3$5,226 AUD
Retailer 1$5,852 AUD
Retailer 7$6,147 AUD
Retailer 6$8,363 AUD

26 data points across 10 retailers

26 retailers$3,854 AUD to $8,711 AUD

B+
Cheapest Retailer
-
$3,854 AUD
HK$21,100 HKD
A
Retailer 2
-
$3,877 AUD
₹258,770 INR
View
B+
Retailer 3
-
$4,269 AUD
$2,992 USD
View
B+
Retailer 4
-
$4,381 AUD
SGD 4,149 SGD
View
B+
Retailer 5
-
$4,439 AUD
$3,111 USD
View
B+
Retailer 6
-
$4,615 AUD
$3,234 USD
View
Final sale: no returns
B+
Retailer 7
-
$4,766 AUD
$3,340 USD
View
B
Retailer 8
-
$4,816 AUD
$3,375 USD
View
B+
Retailer 9
-
$4,878 AUD
£2,692 GBP
View
B
Retailer 10
-
$4,943 AUD
$3,464 USD
View
B
Retailer 11
-
$5,000 AUD
$3,504 USD
View
B
Retailer 12
-
$5,000 AUD
$3,504 USD
View
B
Retailer 13
-
$5,192 AUD
$3,639 USD
View
B
Retailer 14
-
$5,207 AUD
$3,649 USD
View
B+
Retailer 15
-
$5,226 AUD
£2,884 GBP
View
B
Retailer 16
-
$5,322 AUD
$3,730 USD
View
B
Retailer 17
-
$5,338 AUD
$3,741 USD
View
Retailer 18
-
$5,362 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$5,363 AUD
SGD 5,079 SGD
View
B
Retailer 20
-
$5,770 AUD
$4,044 USD
View
B
Retailer 21
-
$5,852 AUD
€3,906 EUR
View
B
Retailer 22
-
$6,147 AUD
ZAR 69,590 ZAR
View
B
Retailer 23
-
$7,253 AUD
$5,083 USD
View
B
Retailer 24
-
$7,456 AUD
$5,225 USD
View
B
Retailer 25
-
$8,363 AUD
£4,615 GBP
View
Most Expensive
B
NZ Jewellers
8dec82a7-74db-4caa-b783-4ae9c54930b4 · Oct 30
$8,711 AUD
$6,105 USD
View
25 more retailers have this diamond
Prices start from $3,854 AUDSave up to $4,857 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
$3,854 AUD