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Round|Natural|GIA

1.25ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 2556315565

Certificate GIA 2556315565

Diamond specifications and retailer prices

From $4,243 AUD
As of November 5, 2026
Save $3,137 AUD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,688 AUD at NZ Jewellers · As of September 28, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2556315565. Listed at 11 retailers as of November 2, 2026, with a 74% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556315565
Dimensions6.87 × 6.82 × 4.28 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Pinpoint
Top View
6.87 mm6.82 mm1.25 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556315565
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 5
Current: $4,538 AUD|Low: $4,243 AUD|High: $7,468 AUD|Avg: $5,295 AUD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$4,243 AUD
Retailer 1$4,538 AUD
Retailer 3$5,088 AUD
Retailer 2$5,125 AUD
Retailer 4$5,385 AUD
Retailer 5$7,380 AUD

43 data points across 6 retailers

11 retailers$4,243 AUD to $7,380 AUD

A
Cheapest Retailer
-
$4,243 AUD
Retailer 2
-
$4,413 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$4,413 AUD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$4,538 AUD
View
Retailer 5
-
$4,583 AUD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$5,088 AUD
View
Retailer 7
-
$5,093 AUD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$5,125 AUD
View
B+
Retailer 9
-
$5,385 AUD
View
B
Retailer 10
-
$7,380 AUD
View
Most Expensive
NZ Jewellers
7bef22ba-6c85-4869-8485-a4fe7ce42829 · Sep 28
$7,688 AUD
$5,382 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from $4,243 AUDSave up to $3,137 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
$4,243 AUD