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Round|Natural|GIA

1.25ct K IF Round Natural Diamond

EX • K/IF • GIA 6565119111

Certificate GIA 6565119111

Diamond specifications and retailer prices

From $3,726 AUD
As of November 6, 2026
Save $4,608 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,007 AUD at NZ Jewellers · As of September 1, 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 6565119111. Listed at 19 retailers as of November 4, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565119111
Dimensions6.85 × 6.89 × 4.22 mm
L/W Ratio1.01
Top View
6.85 mm6.89 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565119111
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 61.5%

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: $4,451 AUD|Low: $3,726 AUD|High: $9,089 AUD|Avg: $5,561 AUD|-8.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$3,726 AUD
Retailer 12$4,435 AUD
Retailer 1$4,451 AUD
Retailer 11$4,519 AUD
Retailer 7$5,139 AUD
Retailer 6$5,186 AUD
Retailer 5$5,206 AUD
Retailer 4$5,395 AUD
Retailer 8$5,794 AUD
Retailer 10$5,811 AUD
Retailer 9$6,098 AUD
Retailer 2$8,334 AUD

27 data points across 12 retailers

19 retailers$3,726 AUD to $8,334 AUD

A
Cheapest Retailer
-
$3,726 AUD
A
Retailer 2
-
$4,435 AUD
View
A
Retailer 3
-
$4,451 AUD
View
A
Retailer 4
-
$4,519 AUD
View
A
Retailer 5
-
$5,139 AUD
View
A
Retailer 6
-
$5,186 AUD
View
A
Retailer 7
-
$5,206 AUD
View
Retailer 8
-
$5,277 AUD
View
Price last confirmed 23 days ago
A
Retailer 9
-
$5,395 AUD
View
Retailer 10
-
$5,480 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$5,744 AUD
View
Price last confirmed 60 days ago
A
Retailer 12
-
$5,794 AUD
View
A
Retailer 13
-
$5,811 AUD
View
Retailer 14
-
$6,089 AUD
View
Price last confirmed 24 days ago
A
Retailer 15
-
$6,098 AUD
View
Retailer 16
-
$6,628 AUD
View
Price last confirmed 60 days ago
B+
Retailer 17
-
$8,334 AUD
View
Retailer 18
-
$9,194 AUD
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
74b94f7e-f93d-41e0-8d5a-8aced8215bca · Sep 1
$10,007 AUD
$6,876 USD
View
Price last confirmed 66 days ago
18 more retailers have this diamond
Prices start from $3,726 AUDSave up to $4,608 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
$3,726 AUD