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Oval|Natural|HRD

1.51ct L SI2 Oval Natural Diamond

ID • L/SI2 • HRD 210000168167

Certificate HRD 210000168167

Diamond specifications and retailer prices

From $3,427 AUD
As of November 6, 2026
Save $4,500 AUD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,928 AUD 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 L 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 210000168167. Listed at 8 retailers as of November 5, 2026, with prices from $3,427 to $7,928, a $4,500 spread on the same certified stone. NZ Jewellers lists it at $7,928. 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
L
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabHRD
CertificateHRD 210000168167
Dimensions9.21 × 6.54 × 3.93 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Top View
9.21 mm6.54 mm1.51 ctL / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateHRD 210000168167
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: 0.0Depth 60.0%

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: $7,928 AUD|Low: $2,649 AUD|High: $7,928 AUD|Avg: $4,446 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$2,649 AUD
Retailer 7$3,427 AUD
Retailer 5$3,791 AUD
Retailer 8$3,791 AUD
Retailer 3$3,938 AUD
Retailer 6$4,375 AUD
Retailer 2$4,708 AUD
Retailer 4$5,349 AUD
NZ Jewellers$7,928 AUD

21 data points across 9 retailers

8 retailers$3,427 AUD to $7,928 AUD

B+
Cheapest Retailer
-
$3,427 AUD
B+
Retailer 2
-
$3,791 AUD
View
B+
Retailer 3
-
$3,938 AUD
View
B
Retailer 4
-
$4,375 AUD
View
B
Retailer 5
-
$4,708 AUD
View
B
Retailer 6
-
$5,349 AUD
View
Retailer 7
-
$7,928 AUD
View
Price last confirmed 68 days ago
Most Expensive
C
NZ Jewellers
2f2fe69f-492b-43c0-aa2d-817a9bf8f2c5 · Nov 5
$7,928 AUD
$5,447 USD
View
7 more retailers have this diamond
Prices start from $3,427 AUDSave up to $4,500 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.

B+
1.51ct Oval
$3,427 AUD