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Oval|Natural|HRD

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • HRD 220000073717

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

Certificate HRD 220000073717

Diamond specifications and retailer prices

From $3,602 NZD
As of November 5, 2026
Save $12,839 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,441 NZD at Allurez · As of November 5, 2026
View at Allurez

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 220000073717. Listed at 12 retailers as of November 5, 2026, with prices from $3,602 to $16,441, a $12,839 spread on the same certified stone. Allurez lists it at $16,441. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 220000073717
Dimensions9.82 × 6.11 × 3.94 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizeNone
Top View
9.82 mm6.11 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateHRD 220000073717
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: 0.0Depth 65.0%

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 5
Current: $16,441 NZD|Low: $3,583 NZD|High: $16,441 NZD|Avg: $5,670 NZD
Allurez
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$3,602 NZD
Retailer 5$3,804 NZD
Retailer 9$3,815 NZD
Retailer 13$3,815 NZD
Retailer 4$3,859 NZD
Retailer 10$3,990 NZD
Retailer 3$4,064 NZD
Retailer 14$4,131 NZD
Retailer 11$4,402 NZD
Retailer 2$5,181 NZD
Retailer 6$6,097 NZD
Retailer 8$6,682 NZD
Retailer 12$7,975 NZD
Allurez$16,441 NZD

31 data points across 14 retailers

12 retailers$3,602 NZD to $16,441 NZD

A
Cheapest Retailer
-
$3,602 NZD
Retailer 2
-
$3,815 NZD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,815 NZD
View
A
Retailer 4
-
$3,859 NZD
View
A
Retailer 5
-
$3,990 NZD
View
B+
Retailer 6
-
$4,064 NZD
View
B+
Retailer 7
-
$4,131 NZD
View
B+
Retailer 8
-
$4,402 NZD
View
B+
Retailer 9
-
$5,181 NZD
View
B+
Retailer 10
-
$6,682 NZD
View
B+
Retailer 11
-
$7,975 NZD
View
Most Expensive
C
Allurez
5441780 · Nov 5
$16,441 NZD
$9,114 USD
View
11 more retailers have this diamond
Prices start from $3,602 NZDSave up to $12,839 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
$3,602 NZD