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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 $2,906 AUD
As of November 5, 2026
Save $10,359 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,265 AUD 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 $2,906 to $13,265, a $10,359 spread on the same certified stone. Allurez lists it at $13,265. 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: $13,265 AUD|Low: $2,890 AUD|High: $13,265 AUD|Avg: $4,575 AUD
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$2,906 AUD
Retailer 5$3,069 AUD
Retailer 9$3,078 AUD
Retailer 13$3,078 AUD
Retailer 4$3,113 AUD
Retailer 10$3,219 AUD
Retailer 3$3,279 AUD
Retailer 14$3,333 AUD
Retailer 11$3,551 AUD
Retailer 2$4,180 AUD
Retailer 6$4,919 AUD
Retailer 8$5,391 AUD
Retailer 12$6,434 AUD
Allurez$13,265 AUD

31 data points across 14 retailers

12 retailers$2,906 AUD to $13,265 AUD

A
Cheapest Retailer
-
$2,906 AUD
Retailer 2
-
$3,078 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,078 AUD
View
A
Retailer 4
-
$3,113 AUD
View
A
Retailer 5
-
$3,219 AUD
View
B+
Retailer 6
-
$3,279 AUD
View
B+
Retailer 7
-
$3,333 AUD
View
B+
Retailer 8
-
$3,551 AUD
View
B+
Retailer 9
-
$4,180 AUD
View
B+
Retailer 10
-
$5,391 AUD
View
B+
Retailer 11
-
$6,434 AUD
View
Most Expensive
C
Allurez
5441780 · Nov 5
$13,265 AUD
$9,114 USD
View
11 more retailers have this diamond
Prices start from $2,906 AUDSave up to $10,359 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
1.51ct Oval
$2,906 AUD