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Round|Natural|GIA

1.00ct J IF Round Natural Diamond

EX • J/IF • GIA 6442230663

Certificate GIA 6442230663

Diamond specifications and retailer prices

From $3,651 AUD
As of November 5, 2026
Save $4,875 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,527 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 GIA 6442230663. Listed at 14 retailers as of November 5, 2026, with prices from $3,651 to $8,527, a $4,875 spread on the same certified stone. NZ Jewellers lists it at $8,527. 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
FluorescenceMedium
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6442230663
Dimensions6.52 × 6.57 × 3.86 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.52 mm6.57 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6442230663
Side View
Table 62.0%Crown 33°Girdle: STK-MEDPavilion 41.4°Culet: NoneDepth 58.9%

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: $4,291 AUD|Low: $3,596 AUD|High: $7,231 AUD|Avg: $4,790 AUD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$3,764 AUD
Retailer 6$3,854 AUD
Retailer 1$4,291 AUD
Retailer 8$4,568 AUD
Retailer 4$4,743 AUD
Retailer 2$4,761 AUD
Retailer 3$4,977 AUD
Retailer 5$7,125 AUD

44 data points across 8 retailers

14 retailers$3,651 AUD to $8,527 AUD

A
Cheapest Retailer
-
$3,651 AUD
A
Retailer 2
-
$3,764 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,854 AUD
View
A
Retailer 4
-
$3,993 AUD
View
Retailer 5
-
$4,078 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,291 AUD
View
Retailer 7
-
$4,568 AUD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$4,641 AUD
View
B+
Retailer 9
-
$4,705 AUD
View
B+
Retailer 10
-
$4,743 AUD
View
B+
Retailer 11
-
$4,761 AUD
View
B+
Retailer 12
-
$4,977 AUD
View
B
Retailer 13
-
$7,125 AUD
View
Most Expensive
B
NZ Jewellers
1a70ee3c-dd16-48e6-ba5c-7cc9d739e857 · Nov 5
$8,527 AUD
$5,969 USD
View
13 more retailers have this diamond
Prices start from $3,651 AUDSave up to $4,875 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
$3,651 AUD