Oval|Natural|GIA

1.30ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2548233328

Certificate GIA 2548233328

Diamond specifications and retailer prices

From $3,070 NZD
As of November 6, 2026
Save $5,659 NZD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,729 NZD at NZ Jewellers · As of November 5, 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 2548233328. Listed at 10 retailers as of November 5, 2026, with prices from $3,070 to $8,729, a $5,659 spread on the same certified stone. NZ Jewellers lists it at $8,729. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.76°
OriginNatural
Grading LabGIA
CertificateGIA 2548233328
Dimensions8.77 × 5.93 × 3.71 mm
L/W Ratio1.48
Top View
8.77 mm5.93 mm1.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548233328
Side View
Table 65.0%CrownGirdle: THK-VTKPavilion 36.76°Culet: NDepth 62.6%

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 6
Current: $8,729 NZD|Low: $3,070 NZD|High: $9,490 NZD|Avg: $5,197 NZD|-8.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$3,070 NZD
Retailer 9$3,927 NZD
Retailer 10$4,057 NZD
Retailer 8$4,176 NZD
Retailer 3$4,272 NZD
Retailer 6$4,369 NZD
Retailer 2$4,910 NZD
Retailer 4$5,183 NZD
Retailer 5$7,295 NZD
NZ Jewellers$8,729 NZD

33 data points across 10 retailers

10 retailers$3,070 NZD to $8,729 NZD

A
Cheapest Retailer
-
$3,070 NZD
A
Retailer 2
-
$3,927 NZD
View
B+
Retailer 3
-
$4,057 NZD
View
Final sale: no returns
A
Retailer 4
-
$4,176 NZD
View
A
Retailer 5
-
$4,272 NZD
View
A
Retailer 6
-
$4,369 NZD
View
B+
Retailer 7
-
$4,910 NZD
View
B+
Retailer 8
-
$5,183 NZD
View
B
Retailer 9
-
$7,295 NZD
View
Most Expensive
B
NZ Jewellers
3a856420-5296-4e42-be6f-f3a6666bd504 · Nov 5
$8,729 NZD
$4,839 USD
View
9 more retailers have this diamond
Prices start from $3,070 NZDSave up to $5,659 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
$3,070 NZD