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Marquise|Natural|HRD

1.31ct K SI2 Marquise Natural Diamond

K/SI2 • HRD 14035081003

Certificate HRD 14035081003

Diamond specifications and retailer prices

From $4,183 AUD
As of November 6, 2026
Save $2,094 AUD (33%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,277 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.31ct natural marquise diamond

This 1.31ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 14035081003. Listed at 2 retailers as of November 4, 2026, with prices from $4,183 to $6,277, a $2,094 spread on the same certified stone. MOH London lists it at $6,277. 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

1.31
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabHRD
CertificateHRD 14035081003
Dimensions11.24 × 5.92 × 3.02 mm
L/W Ratio1.90
Top View
11.24 mm5.92 mm1.31 ctK / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateHRD 14035081003
Side View
Table 57.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 51.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,277 AUD|Low: $3,785 AUD|High: $6,369 AUD|Avg: $4,765 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$3,785 AUD
Retailer 2$4,183 AUD
MOH London$6,277 AUD

23 data points across 3 retailers

2 retailers$4,183 AUD to $6,277 AUD

B+
Cheapest Retailer
-
$4,183 AUD
Most Expensive
B
MOH London
706416405 · Nov 4
$6,277 AUD
£3,396 GBP
View
1 more retailer has this diamond
Prices start from $4,183 AUDSave up to $2,094 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+
1.31ct Marquise
$4,183 AUD