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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7361299633

Certificate GIA 7361299633

Diamond specifications and retailer prices

From $2,754 AUD
As of November 6, 2026
Save $4,531 AUD (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,285 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7361299633. Listed at 24 retailers as of November 5, 2026, with prices from $2,754 to $7,285, a $4,531 spread on the same certified stone. NZ Jewellers lists it at $7,285. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7361299633
Dimensions6.37 × 6.34 × 3.94 mm
L/W Ratio1.00
Top View
6.37 mm6.34 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7361299633
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,666 AUD|Low: $2,507 AUD|High: $6,178 AUD|Avg: $3,990 AUD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$2,914 AUD
Retailer 9$2,928 AUD
Retailer 3$3,303 AUD
Retailer 8$3,418 AUD
Retailer 1$3,666 AUD
Retailer 4$4,036 AUD
Retailer 5$4,047 AUD
Retailer 6$4,253 AUD
Retailer 11$4,290 AUD
Retailer 2$5,013 AUD
Retailer 7$6,088 AUD

41 data points across 11 retailers

24 retailers$2,754 AUD to $7,285 AUD

B+
Cheapest Retailer
-
$2,754 AUD
B+
Retailer 2
-
$2,848 AUD
View
B+
Retailer 3
-
$2,851 AUD
View
B+
Retailer 4
-
$2,897 AUD
View
B+
Retailer 5
-
$2,914 AUD
View
Final sale: no returns
B+
Retailer 6
-
$2,928 AUD
View
B+
Retailer 7
-
$2,973 AUD
View
B+
Retailer 8
-
$3,046 AUD
View
Retailer 9
-
$3,157 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,157 AUD
View
B+
Retailer 11
-
$3,178 AUD
View
B+
Retailer 12
-
$3,303 AUD
View
B
Retailer 13
-
$3,418 AUD
View
B
Retailer 14
-
$3,444 AUD
View
B
Retailer 15
-
$3,643 AUD
View
B+
Retailer 16
-
$3,666 AUD
View
B
Retailer 17
-
$4,028 AUD
View
B
Retailer 18
-
$4,036 AUD
View
B
Retailer 19
-
$4,047 AUD
View
B
Retailer 20
-
$4,253 AUD
View
Retailer 21
-
$4,290 AUD
View
Price last confirmed 30 days ago
B
Retailer 22
-
$5,013 AUD
View
B
Retailer 23
-
$6,088 AUD
View
Most Expensive
B
NZ Jewellers
06bb5a5e-1e19-4d5d-9736-dc067e22ac14 · Nov 5
$7,285 AUD
$5,100 USD
View
23 more retailers have this diamond
Prices start from $2,754 AUDSave up to $4,531 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.

B+
1.00ct Round
$2,754 AUD