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Marquise|Natural|HRD

1.31ct F SI2 Marquise Natural Diamond

F/SI2 • HRD 260000269435

Certificate HRD 260000269435

Diamond specifications and retailer prices

From $5,194 AUD
As of November 3, 2026
Save $3,857 AUD (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,051 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

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 F colour (colourless) and SI2 clarity (slightly-included) and certified by HRD 260000269435. Listed at 4 retailers as of November 3, 2026, with prices from $5,194 to $9,051, a $3,857 spread on the same certified stone. NZ Jewellers lists it at $9,051. 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
F
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle38.17°
Pavilion angle35.82°
OriginNatural
Grading LabHRD
CertificateHRD 260000269435
Dimensions11.08 × 5.83 × 3.35 mm
L/W Ratio1.90
Girdle conditionMedium
Top View
11.08 mm5.83 mm1.31 ctF / SI2
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 260000269435
Side View
Table 57.0%Crown 38.17°GirdlePavilion 35.82°CuletDepth 57.5%

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 3
Current: $9,051 AUD|Low: $5,194 AUD|High: $9,051 AUD|Avg: $7,068 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 2$5,194 AUD
Retailer 3$5,395 AUD
Retailer 4$8,687 AUD
NZ Jewellers$9,051 AUD

2 data points across 4 retailers

4 retailers$5,194 AUD to $9,051 AUD

B+
Cheapest Retailer
-
$5,194 AUD
B+
Retailer 2
-
$5,395 AUD
View
B
Retailer 3
-
$8,687 AUD
View
Most Expensive
B
NZ Jewellers
e7a3534a-68fa-4372-a62c-5f5cc74133cc · Nov 3
$9,051 AUD
$6,219 USD
View
3 more retailers have this diamond
Prices start from $5,194 AUDSave up to $3,857 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
$5,194 AUD