Oval|Natural|GIA

1.30ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 5231721354

Certificate GIA 5231721354

Diamond specifications and retailer prices

From $4,100 AUD
As of November 2, 2026
Save $4,570 AUD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,670 AUD at NZ Jewellers · As of November 2, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231721354. Listed at 6 retailers as of November 2, 2026, with prices from $4,100 to $8,670, a $4,570 spread on the same certified stone. NZ Jewellers lists it at $8,670. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.88°
OriginNatural
Grading LabGIA
CertificateGIA 5231721354
Dimensions8.92 × 5.84 × 3.65 mm
L/W Ratio1.53
Top View
8.92 mm5.84 mm1.30 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231721354
Side View
Table 64.0%Crown 36.88°Girdle: STK-VTKPavilionCulet: NoneDepth 62.5%

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 2
Current: $8,670 AUD|Low: $4,098 AUD|High: $8,681 AUD|Avg: $5,310 AUD|-0.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$4,100 AUD
Retailer 5$4,148 AUD
Retailer 4$4,307 AUD
Retailer 6$4,362 AUD
Retailer 10$4,576 AUD
Retailer 7$4,718 AUD
Retailer 9$5,104 AUD
Retailer 8$5,234 AUD
Retailer 3$7,265 AUD
NZ Jewellers$8,670 AUD

32 data points across 10 retailers

6 retailers$4,100 AUD to $8,670 AUD

A
Cheapest Retailer
-
$4,100 AUD
A
Retailer 2
-
$4,148 AUD
View
A
Retailer 3
-
$4,307 AUD
View
A
Retailer 4
-
$4,362 AUD
View
B+
Retailer 5
-
$7,265 AUD
View
Most Expensive
B
NZ Jewellers
f685adb4-9893-444c-afd0-fb9bef5fc864 · Nov 2
$8,670 AUD
$5,957 USD
View
5 more retailers have this diamond
Prices start from $4,100 AUDSave up to $4,570 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
$4,100 AUD