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Oval|Natural|HRD

1.51ct H SI2 Oval Natural Diamond

ID • H/SI2 • HRD 260000229305

Certificate HRD 260000229305

Diamond specifications and retailer prices

From $3,582 AUD
As of November 6, 2026
Save $4,913 AUD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,495 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 HRD 260000229305. Listed at 13 retailers as of November 5, 2026, with prices from $3,582 to $8,495, a $4,913 spread on the same certified stone. NZ Jewellers lists it at $8,495. 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

1.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000229305
Dimensions8.91 × 6.37 × 3.87 mm
L/W Ratio1.40
Top View
8.91 mm6.37 mm1.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000229305
Side View
Table 60.0%CrownGirdle: THIPavilionCulet: NoneDepth 60.8%

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: $8,495 AUD|Low: $3,582 AUD|High: $8,495 AUD|Avg: $5,330 AUD
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
November 6, 2026
Retailer 6$3,582 AUD
Retailer 10$3,724 AUD
Retailer 11$4,394 AUD
Retailer 9$4,464 AUD
Retailer 5$4,502 AUD
Retailer 2$4,846 AUD
Retailer 7$4,876 AUD
Retailer 12$4,876 AUD
Retailer 13$5,063 AUD
Retailer 3$5,627 AUD
Retailer 4$5,667 AUD
Retailer 8$8,133 AUD
NZ Jewellers$8,495 AUD

38 data points across 13 retailers

13 retailers$3,582 AUD to $8,495 AUD

A
Cheapest Retailer
-
$3,582 AUD
A
Retailer 2
-
$3,724 AUD
View
A
Retailer 3
-
$4,394 AUD
View
A
Retailer 4
-
$4,464 AUD
View
A
Retailer 5
-
$4,502 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,846 AUD
View
A
Retailer 7
-
$4,876 AUD
View
Retailer 8
-
$4,876 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$5,063 AUD
View
A
Retailer 10
-
$5,085 AUD
View
A
Retailer 11
-
$5,627 AUD
View
B+
Retailer 12
-
$8,133 AUD
View
Most Expensive
B+
NZ Jewellers
bdff9838-189a-4224-9bb5-450bf187b487 · Nov 5
$8,495 AUD
$5,837 USD
View
12 more retailers have this diamond
Prices start from $3,582 AUDSave up to $4,913 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
1.51ct Oval
$3,582 AUD