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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 $4,792 NZD
HK$21,100 HKD
As of November 1, 2026
Save $6,040 NZD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $10,832 NZD 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 $4,792 to $10,832, a $6,040 spread on the same certified stone. NZ Jewellers lists it at $10,832. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,821 NZD|Low: $4,792 NZD|High: $10,523 NZD|Avg: $6,646 NZD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$4,792 NZD
Retailer 1$4,821 NZD
Retailer 10$5,448 NZD
Retailer 2$5,738 NZD
Retailer 9$5,926 NZD
Retailer 3$6,065 NZD
Retailer 5$6,498 NZD
Retailer 8$7,279 NZD
Retailer 6$7,643 NZD
Retailer 4$10,399 NZD

25 data points across 10 retailers

26 retailers$4,792 NZD to $10,832 NZD

B+
Cheapest Retailer
-
$4,792 NZD
HK$21,100 HKD
A
Retailer 2
-
$4,821 NZD
₹258,770 INR
View
B+
Retailer 3
-
$5,309 NZD
$2,992 USD
View
B+
Retailer 4
-
$5,448 NZD
SGD 4,149 SGD
View
B+
Retailer 5
-
$5,520 NZD
$3,111 USD
View
B+
Retailer 6
-
$5,738 NZD
$3,234 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,926 NZD
$3,340 USD
View
B
Retailer 8
-
$5,988 NZD
$3,375 USD
View
B+
Retailer 9
-
$6,065 NZD
£2,692 GBP
View
B
Retailer 10
-
$6,147 NZD
$3,464 USD
View
B
Retailer 11
-
$6,217 NZD
$3,504 USD
View
B
Retailer 12
-
$6,217 NZD
$3,504 USD
View
B
Retailer 13
-
$6,457 NZD
$3,639 USD
View
B
Retailer 14
-
$6,475 NZD
$3,649 USD
View
B+
Retailer 15
-
$6,498 NZD
£2,884 GBP
View
B
Retailer 16
-
$6,618 NZD
$3,730 USD
View
B
Retailer 17
-
$6,638 NZD
$3,741 USD
View
Retailer 18
-
$6,667 NZD
A$5,781 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
$6,669 NZD
SGD 5,079 SGD
View
B
Retailer 20
-
$7,175 NZD
$4,044 USD
View
B
Retailer 21
-
$7,279 NZD
€3,907 EUR
View
B
Retailer 22
-
$7,643 NZD
ZAR 69,590 ZAR
View
B
Retailer 23
-
$9,019 NZD
$5,083 USD
View
B
Retailer 24
-
$9,271 NZD
$5,225 USD
View
B
Retailer 25
-
$10,399 NZD
£4,615 GBP
View
Most Expensive
B
NZ Jewellers
8dec82a7-74db-4caa-b783-4ae9c54930b4 · Oct 30
$10,832 NZD
$6,105 USD
View
25 more retailers have this diamond
Prices start from $4,792 NZDSave up to $6,040 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
1.30ct Oval
$4,792 NZD