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Round|Natural|GIA

1.25ct K I1 Round Natural Diamond

EX • K/I1 • GIA 7491150898

Certificate GIA 7491150898

Diamond specifications and retailer prices

From $2,370 AUD
As of November 5, 2026
Save $4,256 AUD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,625 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 7491150898. Listed at 8 retailers as of November 5, 2026, with prices from $2,370 to $6,625, a $4,256 spread on the same certified stone. NZ Jewellers lists it at $6,625. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7491150898
Dimensions6.86 × 6.90 × 4.28 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle, Indented Natural
Top View
6.86 mm6.90 mm1.25 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7491150898
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: $6,625 AUD|Low: $2,370 AUD|High: $6,625 AUD|Avg: $3,498 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$2,370 AUD
Retailer 7$2,863 AUD
Retailer 9$3,093 AUD
Retailer 5$3,170 AUD
Retailer 6$3,170 AUD
Retailer 4$3,316 AUD
Retailer 8$3,657 AUD
Retailer 3$3,933 AUD
NZ Jewellers$6,625 AUD

43 data points across 9 retailers

8 retailers$2,370 AUD to $6,625 AUD

A
Cheapest Retailer
-
$2,370 AUD
B+
Retailer 2
-
$2,863 AUD
View
Retailer 3
-
$3,170 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$3,170 AUD
View
B+
Retailer 5
-
$3,316 AUD
View
B+
Retailer 6
-
$3,657 AUD
View
B+
Retailer 7
-
$3,933 AUD
View
Most Expensive
C
NZ Jewellers
ff056d51-608c-48e5-a241-92e2bbee7476 · Nov 5
$6,625 AUD
$4,638 USD
View
7 more retailers have this diamond
Prices start from $2,370 AUDSave up to $4,256 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
$2,370 AUD