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Round|Natural|IGI

1.25ct J IF Round Natural Diamond

EX • J/IF • IGI 680557954

Shape and cutting style on the report: Round brilliant

Certificate IGI 680557954

Diamond specifications and retailer prices

From $4,235 AUD
As of November 5, 2026
Save $4,077 AUD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,312 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 680557954. Listed at 13 retailers as of November 5, 2026, with prices from $4,235 to $8,312, a $4,077 spread on the same certified stone. NZ Jewellers lists it at $8,312. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 680557954
Dimensions6.85 × 6.88 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.85 mm6.88 mm1.25 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 680557954
Side View
Table 57.0%Crown 36.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 63.0%

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: $8,312 AUD|Low: $4,235 AUD|High: $8,312 AUD|Avg: $5,398 AUD
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
November 6, 2026
Retailer 14$4,235 AUD
Retailer 2$4,250 AUD
Retailer 13$4,403 AUD
Retailer 12$4,621 AUD
Retailer 5$4,771 AUD
Retailer 6$4,771 AUD
Retailer 7$4,967 AUD
Retailer 3$4,980 AUD
Retailer 4$5,506 AUD
Retailer 8$5,516 AUD
Retailer 10$5,542 AUD
Retailer 9$5,823 AUD
Retailer 11$7,957 AUD
NZ Jewellers$8,312 AUD

5 data points across 14 retailers

13 retailers$4,235 AUD to $8,312 AUD

A
Cheapest Retailer
-
$4,235 AUD
A
Retailer 2
-
$4,250 AUD
View
A
Retailer 3
-
$4,403 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,621 AUD
View
A
Retailer 5
-
$4,954 AUD
View
A
Retailer 6
-
$4,967 AUD
View
A
Retailer 7
-
$4,980 AUD
View
A
Retailer 8
-
$5,506 AUD
View
A
Retailer 9
-
$5,516 AUD
View
A
Retailer 10
-
$5,542 AUD
View
B+
Retailer 11
-
$5,823 AUD
View
B
Retailer 12
-
$7,957 AUD
View
Most Expensive
B
NZ Jewellers
8728e94e-7c41-4d48-b22a-51468128cfe2 · Nov 5
$8,312 AUD
$5,711 USD
View
12 more retailers have this diamond
Prices start from $4,235 AUDSave up to $4,077 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
$4,235 AUD