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Round|Natural|IGI

1.00ct I IF Round Natural Diamond

EX • I/IF • IGI 839689459

Shape and cutting style on the report: Round brilliant

Certificate IGI 839689459

Diamond specifications and retailer prices

From $3,330 AUD
As of November 5, 2026
Save $4,491 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,821 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 839689459. Listed at 17 retailers as of November 5, 2026, with prices from $3,330 to $7,821, a $4,491 spread on the same certified stone. NZ Jewellers lists it at $7,821. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 839689459
Dimensions6.52 × 6.55 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.52 mm6.55 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839689459
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 59.5%

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: $7,821 AUD|Low: $3,330 AUD|High: $7,821 AUD|Avg: $4,411 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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 10$3,330 AUD
Retailer 16$3,350 AUD
Retailer 17$3,453 AUD
Retailer 7$3,561 AUD
Retailer 4$3,693 AUD
Retailer 3$3,741 AUD
Retailer 8$3,741 AUD
Retailer 6$3,884 AUD
Retailer 9$3,938 AUD
Retailer 2$4,006 AUD
Retailer 15$4,317 AUD
Retailer 11$4,381 AUD
Retailer 12$4,565 AUD
Retailer 13$4,640 AUD
Retailer 5$5,398 AUD
Retailer 14$6,535 AUD
NZ Jewellers$7,821 AUD

17 data points across 17 retailers

17 retailers$3,330 AUD to $7,821 AUD

A
Cheapest Retailer
-
$3,330 AUD
A
Retailer 2
-
$3,350 AUD
View
A
Retailer 3
-
$3,453 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,561 AUD
View
A
Retailer 5
-
$3,693 AUD
View
Retailer 6
-
$3,741 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,741 AUD
View
A
Retailer 8
-
$3,884 AUD
View
A
Retailer 9
-
$3,938 AUD
View
A
Retailer 10
-
$4,006 AUD
View
A
Retailer 11
-
$4,317 AUD
View
A
Retailer 12
-
$4,381 AUD
View
A
Retailer 13
-
$4,565 AUD
View
A
Retailer 14
-
$4,640 AUD
View
B+
Retailer 15
-
$5,398 AUD
View
B+
Retailer 16
-
$6,535 AUD
View
Most Expensive
B
NZ Jewellers
c49beb51-eaf6-4818-88cf-2fda20285fa5 · Nov 5
$7,821 AUD
$5,475 USD
View
16 more retailers have this diamond
Prices start from $3,330 AUDSave up to $4,491 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
$3,330 AUD