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Round|Natural|GIA

1.25ct K IF Round Natural Diamond

EX • K/IF • GIA 2556558288

Certificate GIA 2556558288

Diamond specifications and retailer prices

From $3,781 AUD
As of November 4, 2026
Save $4,691 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,112 AUD at NZ Jewellers · As of October 20, 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 2556558288. Listed at 15 retailers as of November 2, 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
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556558288
Dimensions6.82 × 6.86 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.86 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556558288
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: $9,112 AUD|Low: $3,743 AUD|High: $9,539 AUD|Avg: $5,666 AUD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 15$3,781 AUD
Retailer 3$3,957 AUD
Retailer 16$4,667 AUD
Retailer 11$4,672 AUD
Retailer 9$4,698 AUD
Retailer 4$4,810 AUD
Retailer 5$5,231 AUD
Retailer 2$5,235 AUD
Retailer 14$5,395 AUD
Retailer 8$5,430 AUD
Retailer 7$5,432 AUD
Retailer 12$5,560 AUD
Retailer 6$6,036 AUD
Retailer 10$6,213 AUD
Retailer 13$8,472 AUD
NZ Jewellers$9,112 AUD

29 data points across 16 retailers

15 retailers$3,781 AUD to $8,472 AUD

A
Cheapest Retailer
-
$3,781 AUD
Retailer 2
-
$3,957 AUD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$4,667 AUD
View
A
Retailer 4
-
$4,672 AUD
View
A
Retailer 5
-
$4,698 AUD
View
Final sale: no returns
Retailer 6
-
$5,231 AUD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$5,235 AUD
View
A
Retailer 8
-
$5,395 AUD
View
Retailer 9
-
$5,430 AUD
View
Price last confirmed 14 days ago
Retailer 10
-
$5,432 AUD
View
Price last confirmed 15 days ago
A
Retailer 11
-
$5,560 AUD
View
Retailer 12
-
$6,036 AUD
View
Price last confirmed 16 days ago
A
Retailer 13
-
$6,213 AUD
View
B+
Retailer 14
-
$8,472 AUD
View
Most Expensive
NZ Jewellers
77b0d440-e0ed-4c32-96b3-f982b34b5738 · Oct 20
$9,112 AUD
$6,261 USD
View
Price last confirmed 17 days ago
14 more retailers have this diamond
Prices start from $3,781 AUDSave up to $4,691 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
$3,781 AUD