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2.51ct F IF Round Natural Diamond

EX • F/IF • HRD 260000002328

Certificate HRD 260000002328

Diamond specifications and retailer prices

From $42,773 AUD
As of November 6, 2026
Save $26,408 AUD (38%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $69,180 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by HRD 260000002328. Listed at 16 retailers as of November 4, 2026, with prices from $42,773 to $69,180, a $26,408 spread on the same certified stone. MOH London lists it at $69,180. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 260000002328
Dimensions8.73 × 8.67 × 5.37 mm
L/W Ratio1.01
Top View
8.73 mm8.67 mm2.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000002328
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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 6
Current: $69,180 AUD|Low: $42,773 AUD|High: $82,196 AUD|Avg: $56,794 AUD|-15.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8$42,773 AUD
Retailer 7$44,636 AUD
Retailer 2$44,748 AUD
Retailer 9$44,940 AUD
Retailer 4$45,930 AUD
Retailer 6$48,130 AUD
Retailer 3$53,543 AUD
Retailer 5$54,575 AUD
MOH London$69,180 AUD
Retailer 10$75,656 AUD

33 data points across 10 retailers

16 retailers$42,773 AUD to $69,180 AUD

A+
Cheapest Retailer
-
$42,773 AUD
A
Retailer 2
-
$44,636 AUD
View
A+
Retailer 3
-
$44,748 AUD
View
A
Retailer 4
-
$44,940 AUD
View
Final sale: no returns
A
Retailer 5
-
$45,930 AUD
View
A
Retailer 6
-
$48,130 AUD
View
A
Retailer 7
-
$53,543 AUD
View
Retailer 8
-
$54,314 AUD
View
Price last confirmed 49 days ago
Retailer 9
-
$54,314 AUD
View
Price last confirmed 42 days ago
A
Retailer 10
-
$54,575 AUD
View
Retailer 11
-
$59,952 AUD
View
Price last confirmed 39 days ago
Retailer 12
-
$62,351 AUD
View
Price last confirmed 30 days ago
Retailer 13
-
$62,351 AUD
View
Price last confirmed 49 days ago
Retailer 14
-
$64,748 AUD
View
Price last confirmed 46 days ago
Retailer 15
-
$64,748 AUD
View
Price last confirmed 39 days ago
Most Expensive
B+
MOH London
32BFCD82F · Nov 4
$69,180 AUD
£37,428 GBP
View
15 more retailers have this diamond
Prices start from $42,773 AUDSave up to $26,408 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+
2.51ct Round
$42,773 AUD