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Oval|Natural|HRD

1.51ct E I1 Oval Natural Diamond

E/I1 • HRD 250000278571

Certificate HRD 250000278571

Diamond specifications and retailer prices

From $5,250 AUD
$3,688 USD
As of October 30, 2026
Save $5,145 AUD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,395 AUD at NZ Jewellers · As of October 30, 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 E colour (colourless) and I1 clarity (included) and certified by HRD 250000278571. Listed at 8 retailers as of October 30, 2026, with prices from $5,250 to $10,395, a $5,145 spread on the same certified stone. NZ Jewellers lists it at $10,395. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000278571
Dimensions8.89 × 6.69 × 4.04 mm
L/W Ratio1.33
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
8.89 mm6.69 mm1.51 ctE / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000278571
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,395 AUD|Low: $3,790 AUD|High: $10,395 AUD|Avg: $6,340 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$3,790 AUD
Retailer 8$5,250 AUD
Retailer 4$5,966 AUD
Retailer 5$5,966 AUD
Retailer 6$5,966 AUD
Retailer 3$6,357 AUD
Retailer 7$6,885 AUD
Retailer 2$6,916 AUD
NZ Jewellers$10,395 AUD

19 data points across 9 retailers

8 retailers$5,250 AUD to $10,395 AUD

B+
Cheapest Retailer
-
$5,250 AUD
$3,688 USD
B+
Retailer 2
-
$5,966 AUD
$4,191 USD
View
B+
Retailer 3
-
$5,966 AUD
$4,191 USD
View
B+
Retailer 4
-
$5,966 AUD
$4,191 USD
View
B+
Retailer 5
-
$6,357 AUD
€4,253 EUR
View
B+
Retailer 6
-
$6,885 AUD
$4,836 USD
View
B+
Retailer 7
-
$6,916 AUD
View
Most Expensive
B
NZ Jewellers
418e1211-827a-47c3-af56-c93c2ee89adf · Oct 30
$10,395 AUD
$7,302 USD
View
7 more retailers have this diamond
Prices start from $5,250 AUDSave up to $5,145 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.

B+
1.51ct Oval
$5,250 AUD