Marquise|Natural|HRD

1.51ct M SI1 Marquise Natural Diamond

M/SI1 • HRD 170003045875

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

Certificate HRD 170003045875

Diamond specifications and retailer prices

From $4,542 AUD
As of November 6, 2026
Save $910 AUD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,453 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by HRD 170003045875. Listed at 2 retailers as of November 6, 2026, with prices from $4,542 to $5,453, a $910 spread on the same certified stone. Yorxs lists it at $5,453. 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
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 170003045875
Dimensions11.18 × 5.85 × 3.74 mm
L/W Ratio1.91
Top View
11.18 mm5.85 mm1.51 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 170003045875
Side View
Table 54.0%CrownGirdle: ThickPavilionCulet: 0,0Depth 63.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $4,542 AUD|Low: $4,542 AUD|High: $5,483 AUD|Avg: $4,986 AUD
Retailer 1
Yorxs
November 6, 2026
Retailer 1$4,542 AUD
Yorxs$5,453 AUD

18 data points across 2 retailers

2 retailers$4,542 AUD to $5,453 AUD

B
Cheapest Retailer
-
$4,542 AUD
Most Expensive
B
Yorxs
467608390 · Nov 6
$5,453 AUD
€3,568 EUR
View
1 more retailer has this diamond
Prices start from $4,542 AUDSave up to $910 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 Marquise
$4,542 AUD