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Round|Natural|HRD

1.25ct F SI2 Round Natural Diamond

GD • F/SI2 • HRD 240000026045

Certificate HRD 240000026045

Diamond specifications and retailer prices

From $3,662 AUD
As of November 4, 2026
Save $4,887 AUD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,549 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by HRD 240000026045. Listed at 10 retailers as of November 4, 2026, with prices from $3,662 to $8,549, a $4,887 spread on the same certified stone. NZ Jewellers lists it at $8,549. 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

1.25
Carat
F
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41.6°
OriginNatural
Grading LabHRD
CertificateHRD 240000026045
Dimensions6.71 × 6.66 × 4.35 mm
L/W Ratio1.01
Cert comments
NO BGM EYE CLEAN
Top View
6.71 mm6.66 mm1.25 ctF / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 240000026045
Side View
Table 60.0%Crown 37.2°GirdlePavilion 41.6°Culet: NoneDepth 65.1%

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 4
Current: $8,549 AUD|Low: $3,174 AUD|High: $8,549 AUD|Avg: $4,777 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$3,174 AUD
Retailer 11$3,662 AUD
Retailer 9$3,774 AUD
Retailer 6$4,090 AUD
Retailer 7$4,090 AUD
Retailer 8$4,247 AUD
Retailer 10$4,295 AUD
Retailer 5$4,718 AUD
Retailer 2$4,774 AUD
Retailer 4$7,163 AUD
NZ Jewellers$8,549 AUD

24 data points across 11 retailers

10 retailers$3,662 AUD to $8,549 AUD

B+
Cheapest Retailer
-
$3,662 AUD
B+
Retailer 2
-
$3,774 AUD
View
Final sale: no returns
B+
Retailer 3
-
$4,090 AUD
View
Retailer 4
-
$4,090 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$4,247 AUD
View
B+
Retailer 6
-
$4,295 AUD
View
B+
Retailer 7
-
$4,718 AUD
View
B+
Retailer 8
-
$4,774 AUD
View
B
Retailer 9
-
$7,163 AUD
View
Most Expensive
B
NZ Jewellers
f53a123e-3415-4723-9673-56f1453bb5cd · Nov 5
$8,549 AUD
$5,874 USD
View
9 more retailers have this diamond
Prices start from $3,662 AUDSave up to $4,887 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+
1.25ct Round
$3,662 AUD