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Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 811689190

Shape and cutting style on the report: Round brilliant

Certificate IGI 811689190

Diamond specifications and retailer prices

From $2,474 AUD
As of November 6, 2026
Save $4,407 AUD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,881 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 811689190. Listed at 16 retailers as of November 5, 2026, with prices from $2,474 to $6,881, a $4,407 spread on the same certified stone. NZ Jewellers lists it at $6,881. 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
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 811689190
Dimensions6.28 × 6.37 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.28 mm6.37 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 811689190
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.4%

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: $6,881 AUD|Low: $2,474 AUD|High: $6,881 AUD|Avg: $3,707 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
November 6, 2026
Retailer 2$2,474 AUD
Retailer 11$2,821 AUD
Retailer 14$2,907 AUD
Retailer 9$3,001 AUD
Retailer 4$3,037 AUD
Retailer 3$3,283 AUD
Retailer 6$3,291 AUD
Retailer 5$3,443 AUD
Retailer 12$3,653 AUD
Retailer 10$3,773 AUD
Retailer 15$3,797 AUD
Retailer 8$3,870 AUD
Retailer 7$4,777 AUD
Retailer 13$5,750 AUD
NZ Jewellers$6,881 AUD

29 data points across 15 retailers

16 retailers$2,474 AUD to $6,881 AUD

A
Cheapest Retailer
-
$2,474 AUD
A
Retailer 2
-
$2,821 AUD
View
A
Retailer 3
-
$2,907 AUD
View
A
Retailer 4
-
$3,001 AUD
View
A
Retailer 5
-
$3,037 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,283 AUD
View
A
Retailer 7
-
$3,291 AUD
View
A
Retailer 8
-
$3,331 AUD
View
A
Retailer 9
-
$3,443 AUD
View
A
Retailer 10
-
$3,653 AUD
View
A
Retailer 11
-
$3,773 AUD
View
B+
Retailer 12
-
$3,797 AUD
View
A
Retailer 13
-
$3,870 AUD
View
B+
Retailer 14
-
$4,777 AUD
View
B
Retailer 15
-
$5,750 AUD
View
Most Expensive
B
NZ Jewellers
ae31ed70-5468-4f17-8e74-24f0cd9eaf8c · Nov 5
$6,881 AUD
$4,817 USD
View
15 more retailers have this diamond
Prices start from $2,474 AUDSave up to $4,407 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
$2,474 AUD