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Marquise|Natural|HRD

1.51ct I SI2 Marquise Natural Diamond

GD • I/SI2 • HRD 260000192995

Certificate HRD 260000192995

Diamond specifications and retailer prices

From $5,129 AUD
₹342,320 INR
As of November 2, 2026
Save $6,037 AUD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,165 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by HRD 260000192995. Listed at 14 retailers as of October 30, 2026, with prices from $5,129 to $11,165, a $6,037 spread on the same certified stone. NZ Jewellers lists it at $11,165. 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

1.51
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000192995
Dimensions11.60 × 5.97 × 3.71 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Top View
11.60 mm5.97 mm1.51 ctI / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000192995
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.1%

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 2
Current: $11,165 AUD|Low: $5,129 AUD|High: $11,429 AUD|Avg: $7,084 AUD|-2.3%
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 2, 2026
Retailer 7$5,129 AUD
Retailer 12$5,719 AUD
Retailer 5$5,748 AUD
Retailer 3$5,915 AUD
Retailer 6$5,977 AUD
Retailer 2$6,408 AUD
Retailer 10$6,408 AUD
Retailer 4$6,561 AUD
Retailer 13$6,592 AUD
Retailer 9$6,622 AUD
Retailer 8$7,252 AUD
Retailer 14$7,394 AUD
Retailer 11$10,208 AUD
NZ Jewellers$11,165 AUD

39 data points across 14 retailers

14 retailers$5,129 AUD to $11,165 AUD

A
Cheapest Retailer
-
$5,129 AUD
₹342,320 INR
B+
Retailer 2
-
$5,719 AUD
$4,008 USD
View
B+
Retailer 3
-
$5,748 AUD
SGD 5,444 SGD
View
B+
Retailer 4
-
$5,915 AUD
$4,145 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,977 AUD
$4,189 USD
View
B+
Retailer 6
-
$6,408 AUD
$4,491 USD
View
B+
Retailer 7
-
$6,408 AUD
$4,491 USD
View
Retailer 8
-
$6,561 AUD
$4,598 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$6,592 AUD
$4,620 USD
View
B+
Retailer 10
-
$6,622 AUD
$4,641 USD
View
B+
Retailer 11
-
$7,252 AUD
€4,840 EUR
View
B+
Retailer 12
-
$7,394 AUD
$5,182 USD
View
B+
Retailer 13
-
$10,208 AUD
£5,633 GBP
View
Most Expensive
B
NZ Jewellers
9ab4996e-dad1-4a2b-a953-d9d384a6aaab · Oct 30
$11,165 AUD
$7,825 USD
View
13 more retailers have this diamond
Prices start from $5,129 AUDSave up to $6,037 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 Marquise
$5,129 AUD