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Oval|Natural|HRD

1.51ct J I1 Oval Natural Diamond

J/I1 • HRD 250000268905

Certificate HRD 250000268905

Diamond specifications and retailer prices

From $2,480 AUD
$1,742 USD
As of November 1, 2026
Save $4,158 AUD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,638 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 J colour (near-colourless) and I1 clarity (included) and certified by HRD 250000268905. Listed at 7 retailers as of October 30, 2026, with prices from $2,480 to $6,638, a $4,158 spread on the same certified stone. NZ Jewellers lists it at $6,638. 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
J
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 250000268905
Dimensions9.04 × 6.30 × 4.08 mm
L/W Ratio1.43
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
9.04 mm6.30 mm1.51 ctJ / I1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateHRD 250000268905
Side View
TableCrownGirdlePavilionCulet: NoneDepth

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: Nov 1
Current: $6,638 AUD|Low: $2,270 AUD|High: $6,638 AUD|Avg: $3,269 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$2,270 AUD
Retailer 7$2,480 AUD
Retailer 4$2,722 AUD
Retailer 5$2,722 AUD
Retailer 3$2,847 AUD
Retailer 8$3,106 AUD
Retailer 6$3,140 AUD
Retailer 2$3,142 AUD
NZ Jewellers$6,638 AUD

5 data points across 9 retailers

7 retailers$2,480 AUD to $6,638 AUD

B+
Cheapest Retailer
-
$2,480 AUD
$1,742 USD
B
Retailer 2
-
$2,722 AUD
$1,912 USD
View
B
Retailer 3
-
$2,722 AUD
$1,912 USD
View
Retailer 4
-
$2,847 AUD
$2,000 USD
View
Price last confirmed 7 days ago
B
Retailer 5
-
$3,140 AUD
$2,206 USD
View
B
Retailer 6
-
$3,142 AUD
View
Most Expensive
C
NZ Jewellers
c32acda7-f556-42f5-a7ec-d302ffe97940 · Oct 30
$6,638 AUD
$4,663 USD
View
6 more retailers have this diamond
Prices start from $2,480 AUDSave up to $4,158 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
$2,480 AUD