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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6415572811

Certificate GIA 6415572811

Diamond specifications and retailer prices

From $1,810 AUD
As of November 6, 2026
Save $4,141 AUD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,951 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6415572811. Listed at 16 retailers as of November 5, 2026, with prices from $1,810 to $5,951, a $4,141 spread on the same certified stone. NZ Jewellers lists it at $5,951. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6415572811
Dimensions6.32 × 6.29 × 3.97 mm
L/W Ratio1.00
Top View
6.32 mm6.29 mm1.00 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415572811
Side View
Table 55.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 62.9%

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 6
Current: $5,951 AUD|Low: $1,791 AUD|High: $5,951 AUD|Avg: $2,811 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
November 6, 2026
Retailer 13$1,810 AUD
Retailer 7$2,223 AUD
Retailer 4$2,251 AUD
Retailer 8$2,304 AUD
Retailer 2$2,334 AUD
Retailer 5$2,391 AUD
Retailer 14$2,440 AUD
Retailer 16$2,440 AUD
Retailer 9$2,516 AUD
Retailer 15$2,553 AUD
Retailer 6$2,634 AUD
Retailer 10$2,691 AUD
Retailer 3$2,816 AUD
Retailer 11$3,307 AUD
Retailer 12$4,263 AUD
NZ Jewellers$5,951 AUD

34 data points across 16 retailers

16 retailers$1,810 AUD to $5,951 AUD

A
Cheapest Retailer
-
$1,810 AUD
B+
Retailer 2
-
$2,223 AUD
View
B+
Retailer 3
-
$2,251 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,334 AUD
View
B+
Retailer 5
-
$2,391 AUD
View
B+
Retailer 6
-
$2,440 AUD
View
Retailer 7
-
$2,440 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,471 AUD
View
B+
Retailer 9
-
$2,516 AUD
View
B+
Retailer 10
-
$2,553 AUD
View
B+
Retailer 11
-
$2,634 AUD
View
B+
Retailer 12
-
$2,691 AUD
View
B+
Retailer 13
-
$2,816 AUD
View
B
Retailer 14
-
$3,307 AUD
View
B
Retailer 15
-
$4,263 AUD
View
Most Expensive
C
NZ Jewellers
dca75a36-cb8a-453c-b424-2e578d9a0dfe · Nov 5
$5,951 AUD
$4,166 USD
View
15 more retailers have this diamond
Prices start from $1,810 AUDSave up to $4,141 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
$1,810 AUD