CaratHunter
Plans
Oval|Natural|HRD

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • HRD 250000260815

Certificate HRD 250000260815

Diamond specifications and retailer prices

From $4,071 AUD
As of November 6, 2026
Save $4,566 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,636 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000260815. Listed at 15 retailers as of November 5, 2026, with prices from $4,071 to $8,636, a $4,566 spread on the same certified stone. NZ Jewellers lists it at $8,636. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000260815
Dimensions8.73 × 6.41 × 4.04 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Top View
8.73 mm6.41 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000260815
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.0%

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: $8,636 AUD|Low: $4,027 AUD|High: $8,958 AUD|Avg: $5,602 AUD|-3.6%
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$4,071 AUD
Retailer 5$4,496 AUD
Retailer 12$4,574 AUD
Retailer 3$4,919 AUD
Retailer 11$4,957 AUD
Retailer 4$5,108 AUD
Retailer 7$5,167 AUD
Retailer 9$5,191 AUD
Retailer 2$5,298 AUD
Retailer 10$5,720 AUD
Retailer 8$5,769 AUD
Retailer 13$8,226 AUD
NZ Jewellers$8,636 AUD

29 data points across 13 retailers

15 retailers$4,071 AUD to $8,636 AUD

A
Cheapest Retailer
-
$4,071 AUD
A
Retailer 2
-
$4,496 AUD
View
A
Retailer 3
-
$4,574 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,809 AUD
View
Retailer 5
-
$4,919 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$4,919 AUD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$4,957 AUD
View
A
Retailer 8
-
$5,108 AUD
View
A
Retailer 9
-
$5,167 AUD
View
A
Retailer 10
-
$5,191 AUD
View
A
Retailer 11
-
$5,298 AUD
View
A
Retailer 12
-
$5,720 AUD
View
A
Retailer 13
-
$5,769 AUD
View
B+
Retailer 14
-
$8,226 AUD
View
Most Expensive
B+
NZ Jewellers
e0e8a802-ead3-4ff5-892f-53f91b1ca1ac · Nov 5
$8,636 AUD
$5,934 USD
View
14 more retailers have this diamond
Prices start from $4,071 AUDSave up to $4,566 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
1.50ct Oval
$4,071 AUD