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Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 680566575

Shape and cutting style on the report: Round brilliant

Certificate IGI 680566575

Diamond specifications and retailer prices

From $2,730 AUD
As of November 6, 2026
Save $2,623 AUD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,767 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 680566575. Listed at 14 retailers as of November 4, 2026, with a 96% 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

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 680566575
Dimensions6.41 × 6.38 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.41 mm6.38 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 680566575
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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 6
Current: $2,730 AUD|Low: $2,727 AUD|High: $5,433 AUD|Avg: $3,425 AUD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$2,730 AUD
Retailer 2$2,767 AUD
Retailer 8$2,850 AUD
Retailer 9$3,003 AUD
Retailer 10$3,093 AUD
Retailer 6$3,367 AUD
Retailer 3$3,518 AUD
Retailer 5$3,740 AUD
Retailer 4$3,881 AUD
Retailer 7$5,353 AUD

34 data points across 10 retailers

14 retailers$2,730 AUD to $5,353 AUD

A
Cheapest Retailer
-
$2,730 AUD
A
Retailer 2
-
$2,767 AUD
View
A
Retailer 3
-
$2,850 AUD
View
A
Retailer 4
-
$3,003 AUD
View
Retailer 5
-
$3,064 AUD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$3,093 AUD
View
A
Retailer 7
-
$3,367 AUD
View
Retailer 8
-
$3,386 AUD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$3,518 AUD
View
Retailer 10
-
$3,536 AUD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$3,740 AUD
View
A
Retailer 12
-
$3,881 AUD
View
B
Retailer 13
-
$5,353 AUD
View
Most Expensive
NZ Jewellers
cc7705a2-a196-408d-8802-f0c4b19ed7da · Sep 28
$6,767 AUD
$4,737 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from $2,730 AUDSave up to $2,623 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
1.00ct Round
$2,730 AUD