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Round|Natural|HRD

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • HRD 260000218639

Certificate HRD 260000218639

Diamond specifications and retailer prices

From $3,113 AUD
As of November 6, 2026
Save $4,780 AUD (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,893 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 top-tier cut grade and certified by HRD 260000218639. Listed at 11 retailers as of November 5, 2026, with prices from $3,113 to $7,893, a $4,780 spread on the same certified stone. NZ Jewellers lists it at $7,893. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.25
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 260000218639
Dimensions6.80 × 6.85 × 4.31 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.80 mm6.85 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000218639
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,893 AUD|Low: $3,113 AUD|High: $7,944 AUD|Avg: $5,056 AUD|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$3,113 AUD
Retailer 4$3,740 AUD
Retailer 10$4,314 AUD
Retailer 2$4,339 AUD
Retailer 6$4,384 AUD
Retailer 3$4,531 AUD
Retailer 11$4,531 AUD
Retailer 8$4,820 AUD
Retailer 7$4,874 AUD
Retailer 9$7,555 AUD
NZ Jewellers$7,893 AUD

42 data points across 11 retailers

11 retailers$3,113 AUD to $7,893 AUD

A
Cheapest Retailer
-
$3,113 AUD
A
Retailer 2
-
$3,740 AUD
View
A
Retailer 3
-
$4,314 AUD
View
A
Retailer 4
-
$4,339 AUD
View
A
Retailer 5
-
$4,384 AUD
View
A
Retailer 6
-
$4,531 AUD
View
Retailer 7
-
$4,531 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$4,820 AUD
View
A
Retailer 9
-
$4,874 AUD
View
B+
Retailer 10
-
$7,555 AUD
View
Most Expensive
B
NZ Jewellers
1daf0a54-5f12-446b-92f0-e3e6ce8f6abb · Nov 5
$7,893 AUD
$5,423 USD
View
10 more retailers have this diamond
Prices start from $3,113 AUDSave up to $4,780 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
1.25ct Round
$3,113 AUD