Oval|Natural|HRD

1.51ct H I1 Oval Natural Diamond

ID • H/I1 • HRD 260000231417

Certificate HRD 260000231417

Diamond specifications and retailer prices

From $3,021 AUD
$2,117 USD
As of October 28, 2026
Save $3,968 AUD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,989 AUD at NZ Jewellers · As of October 27, 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 I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000231417. Listed at 7 retailers as of October 27, 2026, with prices from $3,021 to $6,989, a $3,968 spread on the same certified stone. NZ Jewellers lists it at $6,989. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000231417
Dimensions8.80 × 6.29 × 4.03 mm
L/W Ratio1.40
Top View
8.80 mm6.29 mm1.51 ctH / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000231417
Side View
Table 61.0%CrownGirdle: NUL-NULPavilionCuletDepth 64.1%

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: Oct 28
Current: $6,989 AUD|Low: $3,021 AUD|High: $6,989 AUD|Avg: $4,084 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$3,021 AUD
Retailer 3$3,343 AUD
Retailer 6$3,343 AUD
Retailer 4$3,497 AUD
Retailer 5$3,857 AUD
Retailer 2$4,174 AUD
NZ Jewellers$6,989 AUD

11 data points across 7 retailers

7 retailers$3,021 AUD to $6,989 AUD

A
Cheapest Retailer
-
$3,021 AUD
$2,117 USD
B+
Retailer 2
-
$3,343 AUD
$2,343 USD
View
B+
Retailer 3
-
$3,343 AUD
$2,343 USD
View
B+
Retailer 4
-
$3,497 AUD
$2,451 USD
View
B+
Retailer 5
-
$3,857 AUD
$2,703 USD
View
B+
Retailer 6
-
$4,174 AUD
€2,786 EUR
View
Most Expensive
B
NZ Jewellers
1a643869-7044-4cc8-a43a-4aed3d2a3f14 · Oct 27
$6,989 AUD
$4,898 USD
View
6 more retailers have this diamond
Prices start from $3,021 AUDSave up to $3,968 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
$3,021 AUD