Oval|Natural|HRD

1.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • HRD 260000139584

Certificate HRD 260000139584

Diamond specifications and retailer prices

From $2,213 USD
As of November 6, 2026
Save $3,570 USD (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,783 USD 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 260000139584. Listed at 14 retailers as of November 5, 2026, with prices from $2,213 to $5,783, a $3,570 spread on the same certified stone. NZ Jewellers lists it at $5,783. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000139584
Dimensions9.16 × 6.42 × 3.91 mm
L/W Ratio1.43
Top View
9.16 mm6.42 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000139584
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,783 USD|Low: $2,178 USD|High: $5,783 USD|Avg: $3,138 USD
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$2,213 USD
Retailer 13$2,550 USD
Retailer 5$2,554 USD
Retailer 10$2,573 USD
Retailer 12$2,758 USD
Retailer 8$2,766 USD
Retailer 14$2,766 USD
Retailer 3$2,873 USD
Retailer 6$2,907 USD
Retailer 2$3,030 USD
Retailer 4$3,192 USD
Retailer 11$3,238 USD
Retailer 9$4,833 USD
NZ Jewellers$5,783 USD

39 data points across 14 retailers

14 retailers$2,213 USD to $5,783 USD

A
Cheapest Retailer
-
$2,213 USD
A
Retailer 2
-
$2,550 USD
View
A
Retailer 3
-
$2,554 USD
View
Final sale: no returns
A
Retailer 4
-
$2,573 USD
View
A
Retailer 5
-
$2,758 USD
View
A
Retailer 6
-
$2,766 USD
View
Retailer 7
-
$2,766 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,873 USD
View
A
Retailer 9
-
$2,907 USD
View
A
Retailer 10
-
$3,030 USD
View
A
Retailer 11
-
$3,192 USD
View
A
Retailer 12
-
$3,238 USD
View
A
Retailer 13
-
$4,833 USD
View
Most Expensive
B+
NZ Jewellers
ca574ea2-f739-4f34-a793-b15a315ca142 · Nov 5
$5,783 USD
View
13 more retailers have this diamond
Prices start from $2,213 USDSave up to $3,570 USD

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
$2,213 USD