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Oval|Natural|HRD

1.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • HRD 260000139598

Certificate HRD 260000139598

Diamond specifications and retailer prices

From $3,902 NZD
As of November 6, 2026
Save $6,530 NZD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,432 NZD 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 I 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 260000139598. Listed at 14 retailers as of November 5, 2026, with prices from $3,902 to $10,432, a $6,530 spread on the same certified stone. NZ Jewellers lists it at $10,432. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000139598
Dimensions9.09 × 6.30 × 4.02 mm
L/W Ratio1.44
Top View
9.09 mm6.30 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000139598
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.9%

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: $10,432 NZD|Low: $3,902 NZD|High: $10,432 NZD|Avg: $5,662 NZD
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
Retailer 14
November 6, 2026
Retailer 7$3,902 NZD
Retailer 11$4,537 NZD
Retailer 13$4,600 NZD
Retailer 5$4,607 NZD
Retailer 12$4,872 NZD
Retailer 9$4,990 NZD
Retailer 14$4,990 NZD
Retailer 3$5,183 NZD
Retailer 6$5,244 NZD
Retailer 2$5,340 NZD
Retailer 4$5,758 NZD
Retailer 8$5,810 NZD
Retailer 10$8,718 NZD
NZ Jewellers$10,432 NZD

38 data points across 14 retailers

14 retailers$3,902 NZD to $10,432 NZD

A
Cheapest Retailer
-
$3,902 NZD
A
Retailer 2
-
$4,537 NZD
View
A
Retailer 3
-
$4,600 NZD
View
A
Retailer 4
-
$4,607 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,872 NZD
View
Retailer 6
-
$4,990 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,990 NZD
View
A
Retailer 8
-
$5,183 NZD
View
A
Retailer 9
-
$5,244 NZD
View
A
Retailer 10
-
$5,340 NZD
View
A
Retailer 11
-
$5,758 NZD
View
A
Retailer 12
-
$5,810 NZD
View
A
Retailer 13
-
$8,718 NZD
View
Most Expensive
B+
NZ Jewellers
b02110e8-cfc0-4c39-b929-5c38352b10bf · Nov 5
$10,432 NZD
$5,783 USD
View
13 more retailers have this diamond
Prices start from $3,902 NZDSave up to $6,530 NZD

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
$3,902 NZD