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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6201522226

Certificate GIA 6201522226

Diamond specifications and retailer prices

From $1,883 AUD
As of November 6, 2026
Save $4,328 AUD (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,211 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 6201522226. Listed at 17 retailers as of November 5, 2026, with prices from $1,883 to $6,211, a $4,328 spread on the same certified stone. NZ Jewellers lists it at $6,211. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6201522226
Dimensions6.36 × 6.33 × 3.97 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.36 mm6.33 mm1.00 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6201522226
Side View
Table 60.0%Crown 36°Girdle: ThickPavilion 41°Culet: NoneDepth 62.5%

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: $6,211 AUD|Low: $1,864 AUD|High: $6,211 AUD|Avg: $2,872 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
Retailer 17
November 6, 2026
Retailer 14$1,883 AUD
Retailer 5$2,037 AUD
Retailer 8$2,170 AUD
Retailer 4$2,350 AUD
Retailer 2$2,436 AUD
Retailer 6$2,481 AUD
Retailer 3$2,547 AUD
Retailer 15$2,547 AUD
Retailer 9$2,571 AUD
Retailer 10$2,624 AUD
Retailer 16$2,664 AUD
Retailer 7$2,741 AUD
Retailer 11$2,810 AUD
Retailer 17$2,938 AUD
Retailer 12$3,451 AUD
Retailer 13$4,450 AUD
NZ Jewellers$6,211 AUD

33 data points across 17 retailers

17 retailers$1,883 AUD to $6,211 AUD

A
Cheapest Retailer
-
$1,883 AUD
B+
Retailer 2
-
$2,037 AUD
View
B+
Retailer 3
-
$2,320 AUD
View
B+
Retailer 4
-
$2,350 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,436 AUD
View
B+
Retailer 6
-
$2,481 AUD
View
B+
Retailer 7
-
$2,547 AUD
View
Retailer 8
-
$2,547 AUD
View
Price last confirmed 8 days ago
Retailer 9
-
$2,571 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$2,624 AUD
View
B+
Retailer 11
-
$2,664 AUD
View
B+
Retailer 12
-
$2,741 AUD
View
B+
Retailer 13
-
$2,810 AUD
View
B+
Retailer 14
-
$2,938 AUD
View
B
Retailer 15
-
$3,451 AUD
View
B
Retailer 16
-
$4,450 AUD
View
Most Expensive
B
NZ Jewellers
705ad050-b111-468a-a6ca-7d96b7576e1e · Nov 5
$6,211 AUD
$4,348 USD
View
16 more retailers have this diamond
Prices start from $1,883 AUDSave up to $4,328 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
$1,883 AUD