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Oval|Natural|HRD

2.51ct K SI2 Oval Natural Diamond

K/SI2 • HRD 210000102821

Shape and cutting style on the report: Oval (variation)

Certificate HRD 210000102821

Diamond specifications and retailer prices

From $15,304 NZD
As of November 6, 2026
Save $14,022 NZD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $29,326 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.51ct natural oval diamond

This 2.51ct natural oval sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 210000102821. Listed at 10 retailers as of November 5, 2026, with prices from $15,304 to $29,326, a $14,022 spread on the same certified stone. NZ Jewellers lists it at $29,326. 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

2.51
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 210000102821
Dimensions10.72 × 7.03 × 4.91 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizeNone
Top View
10.72 mm7.03 mm2.51 ctK / SI2
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 210000102821
Side View
Table 56.0%CrownGirdle: Extremely ThickPavilionCulet: 0.0Depth 70.0%

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 6
Current: $29,326 NZD|Low: $14,924 NZD|High: $29,326 NZD|Avg: $20,424 NZD|+1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 8$15,304 NZD
Retailer 10$16,102 NZD
Retailer 9$16,327 NZD
Retailer 4$17,595 NZD
Retailer 6$19,062 NZD
Retailer 7$19,356 NZD
Retailer 5$21,995 NZD
Retailer 3$22,165 NZD
Retailer 2$27,407 NZD
NZ Jewellers$29,326 NZD

30 data points across 10 retailers

10 retailers$15,304 NZD to $29,326 NZD

B+
Cheapest Retailer
-
$15,304 NZD
B+
Retailer 2
-
$16,102 NZD
View
B+
Retailer 3
-
$16,327 NZD
View
Retailer 4
-
$17,595 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$19,062 NZD
View
B+
Retailer 6
-
$19,356 NZD
View
B+
Retailer 7
-
$21,995 NZD
View
B+
Retailer 8
-
$22,165 NZD
View
B
Retailer 9
-
$27,407 NZD
View
Most Expensive
C
NZ Jewellers
9bfdd30c-86d4-4b4b-8bd5-c94418910662 · Nov 5
$29,326 NZD
$16,257 USD
View
9 more retailers have this diamond
Prices start from $15,304 NZDSave up to $14,022 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.

B+
2.51ct Oval
$15,304 NZD