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Round|Natural|IGI

1.25ct H IF Round Natural Diamond

EX • H/IF • IGI 816642569

Shape and cutting style on the report: Round brilliant

Certificate IGI 816642569

Diamond specifications and retailer prices

From $4,219 AUD
As of November 6, 2026
Save $5,647 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,866 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 816642569. Listed at 17 retailers as of November 5, 2026, with prices from $4,219 to $9,866, a $5,647 spread on the same certified stone. NZ Jewellers lists it at $9,866. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 816642569
Dimensions6.85 × 6.89 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.85 mm6.89 mm1.25 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816642569
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $9,866 AUD|Low: $4,219 AUD|High: $10,047 AUD|Avg: $6,286 AUD|-1.8%
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
Retailer 17
November 6, 2026
Retailer 11$4,219 AUD
Retailer 10$4,983 AUD
Retailer 13$5,414 AUD
Retailer 8$5,448 AUD
Retailer 5$5,663 AUD
Retailer 9$5,688 AUD
Retailer 14$5,807 AUD
Retailer 12$5,875 AUD
Retailer 2$5,881 AUD
Retailer 6$5,887 AUD
Retailer 4$5,996 AUD
Retailer 15$6,212 AUD
Retailer 17$6,514 AUD
Retailer 3$6,535 AUD
Retailer 16$6,912 AUD
Retailer 7$9,444 AUD
NZ Jewellers$9,866 AUD

15 data points across 17 retailers

17 retailers$4,219 AUD to $9,866 AUD

A+
Cheapest Retailer
-
$4,219 AUD
A
Retailer 2
-
$4,983 AUD
View
A
Retailer 3
-
$5,414 AUD
View
A
Retailer 4
-
$5,448 AUD
View
A
Retailer 5
-
$5,663 AUD
View
Retailer 6
-
$5,688 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$5,807 AUD
View
A
Retailer 8
-
$5,875 AUD
View
A
Retailer 9
-
$5,881 AUD
View
A
Retailer 10
-
$5,887 AUD
View
A
Retailer 11
-
$5,996 AUD
View
A
Retailer 12
-
$6,212 AUD
View
A
Retailer 13
-
$6,514 AUD
View
A
Retailer 14
-
$6,535 AUD
View
A
Retailer 15
-
$6,912 AUD
View
B+
Retailer 16
-
$9,444 AUD
View
Most Expensive
B+
NZ Jewellers
8fca0986-6db9-4a00-843b-ba954eba19dc · Nov 5
$9,866 AUD
$6,779 USD
View
16 more retailers have this diamond
Prices start from $4,219 AUDSave up to $5,647 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
$4,219 AUD