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Round|Natural|GIA

1.25ct K IF Round Natural Diamond

EX • K/IF • GIA 2546559740

Certificate GIA 2546559740

Diamond specifications and retailer prices

From $5,337 AUD
As of November 6, 2026
Save $4,736 AUD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,073 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2546559740. Listed at 6 retailers as of November 5, 2026, with prices from $5,337 to $10,073, a $4,736 spread on the same certified stone. NZ Jewellers lists it at $10,073. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2546559740
Dimensions6.83 × 6.88 × 4.26 mm
L/W Ratio1.01
Star length45%
Top View
6.83 mm6.88 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546559740
Side View
Table 60.0%Crown 34°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
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: $10,073 AUD|Low: $5,337 AUD|High: $10,073 AUD|Avg: $7,463 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$5,337 AUD
Retailer 6$5,433 AUD
Retailer 4$6,412 AUD
Retailer 2$6,608 AUD
Retailer 3$9,668 AUD
NZ Jewellers$10,073 AUD

19 data points across 6 retailers

6 retailers$5,337 AUD to $10,073 AUD

A
Cheapest Retailer
-
$5,337 AUD
Final sale: no returns
A
Retailer 2
-
$5,433 AUD
View
B+
Retailer 3
-
$6,412 AUD
View
B+
Retailer 4
-
$6,608 AUD
View
B
Retailer 5
-
$9,668 AUD
View
Most Expensive
B
NZ Jewellers
5fd0d337-c133-41e2-9d01-13db8503cce3 · Nov 5
$10,073 AUD
$6,921 USD
View
5 more retailers have this diamond
Prices start from $5,337 AUDSave up to $4,736 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
$5,337 AUD