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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 $2,254 NZD
As of November 6, 2026
Save $5,157 NZD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,411 NZD 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 $2,254 to $7,411, a $5,157 spread on the same certified stone. NZ Jewellers lists it at $7,411. 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: $7,411 NZD|Low: $2,231 NZD|High: $7,411 NZD|Avg: $3,500 NZD
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$2,254 NZD
Retailer 7$2,768 NZD
Retailer 4$2,804 NZD
Retailer 8$2,869 NZD
Retailer 2$2,907 NZD
Retailer 5$2,978 NZD
Retailer 14$3,038 NZD
Retailer 16$3,038 NZD
Retailer 9$3,133 NZD
Retailer 15$3,179 NZD
Retailer 6$3,280 NZD
Retailer 10$3,351 NZD
Retailer 3$3,506 NZD
Retailer 11$4,118 NZD
Retailer 12$5,308 NZD
NZ Jewellers$7,411 NZD

34 data points across 16 retailers

16 retailers$2,254 NZD to $7,411 NZD

A
Cheapest Retailer
-
$2,254 NZD
B+
Retailer 2
-
$2,768 NZD
View
B+
Retailer 3
-
$2,804 NZD
View
Final sale: no returns
A
Retailer 4
-
$2,907 NZD
View
B+
Retailer 5
-
$2,978 NZD
View
B+
Retailer 6
-
$3,038 NZD
View
Retailer 7
-
$3,038 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,077 NZD
View
B+
Retailer 9
-
$3,133 NZD
View
B+
Retailer 10
-
$3,179 NZD
View
B+
Retailer 11
-
$3,280 NZD
View
B+
Retailer 12
-
$3,351 NZD
View
B+
Retailer 13
-
$3,506 NZD
View
B
Retailer 14
-
$4,118 NZD
View
B
Retailer 15
-
$5,308 NZD
View
Most Expensive
C
NZ Jewellers
dca75a36-cb8a-453c-b424-2e578d9a0dfe · Nov 5
$7,411 NZD
$4,166 USD
View
15 more retailers have this diamond
Prices start from $2,254 NZDSave up to $5,157 NZD

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
$2,254 NZD