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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7418360134

Certificate GIA 7418360134

Diamond specifications and retailer prices

From $2,066 AUD
As of November 6, 2026
Save $3,966 AUD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,031 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 very-good cut grade and certified by GIA 7418360134. Listed at 20 retailers as of November 5, 2026, with prices from $2,066 to $6,031, a $3,966 spread on the same certified stone. NZ Jewellers lists it at $6,031. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 7418360134
Dimensions6.24 × 6.16 × 4.02 mm
L/W Ratio1.01
Top View
6.24 mm6.16 mm1.00 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7418360134
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.8%

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: $2,066 AUD|Low: $2,066 AUD|High: $5,114 AUD|Avg: $3,200 AUD|-3.0%
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 1$2,066 AUD
Retailer 8$2,103 AUD
Retailer 11$2,663 AUD
Retailer 10$2,686 AUD
Retailer 9$2,750 AUD
Retailer 3$3,017 AUD
Retailer 5$3,114 AUD
Retailer 4$3,520 AUD
Retailer 6$3,526 AUD
Retailer 2$3,556 AUD
Retailer 7$5,054 AUD

39 data points across 11 retailers

20 retailers$2,066 AUD to $6,031 AUD

A
Cheapest Retailer
-
$2,066 AUD
A
Retailer 2
-
$2,103 AUD
View
B+
Retailer 3
-
$2,551 AUD
View
B+
Retailer 4
-
$2,663 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,686 AUD
View
B+
Retailer 6
-
$2,750 AUD
View
Retailer 7
-
$2,884 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,884 AUD
View
B+
Retailer 9
-
$2,917 AUD
View
B+
Retailer 10
-
$2,936 AUD
View
B
Retailer 11
-
$3,017 AUD
View
B
Retailer 12
-
$3,081 AUD
View
B
Retailer 13
-
$3,114 AUD
View
B
Retailer 14
-
$3,328 AUD
View
B
Retailer 15
-
$3,520 AUD
View
B
Retailer 16
-
$3,526 AUD
View
Retailer 17
-
$3,556 AUD
View
Price last confirmed 32 days ago
C
Retailer 18
-
$4,975 AUD
View
B
Retailer 19
-
$5,054 AUD
View
Most Expensive
C
NZ Jewellers
c09157e4-e93d-4d24-be7d-5b4b30bc5ff4 · Nov 5
$6,031 AUD
$4,222 USD
View
19 more retailers have this diamond
Prices start from $2,066 AUDSave up to $3,966 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
$2,066 AUD