Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6415572811

Certificate GIA 6415572811

Diamond specifications and retailer prices

From $1,267 USD
As of November 4, 2026
Save $2,899 USD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,166 USD 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 4, 2026, with prices from $1,267 to $4,166, a $2,899 spread on the same certified stone. NZ Jewellers lists it at $4,166. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,166 USD|Low: $1,254 USD|High: $4,166 USD|Avg: $1,967 USD
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$1,267 USD
Retailer 7$1,556 USD
Retailer 4$1,576 USD
Retailer 8$1,613 USD
Retailer 2$1,634 USD
Retailer 5$1,674 USD
Retailer 14$1,708 USD
Retailer 16$1,708 USD
Retailer 9$1,761 USD
Retailer 15$1,787 USD
Retailer 6$1,844 USD
Retailer 10$1,884 USD
Retailer 3$1,971 USD
Retailer 11$2,315 USD
Retailer 12$2,984 USD
NZ Jewellers$4,166 USD

34 data points across 16 retailers

16 retailers$1,267 USD to $4,166 USD

A
Cheapest Retailer
-
$1,267 USD
B+
Retailer 2
-
$1,556 USD
View
B+
Retailer 3
-
$1,576 USD
View
Final sale: no returns
A
Retailer 4
-
$1,634 USD
View
B+
Retailer 5
-
$1,674 USD
View
B+
Retailer 6
-
$1,708 USD
View
Retailer 7
-
$1,708 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,730 USD
View
B+
Retailer 9
-
$1,761 USD
View
B+
Retailer 10
-
$1,787 USD
View
B+
Retailer 11
-
$1,844 USD
View
B+
Retailer 12
-
$1,884 USD
View
B+
Retailer 13
-
$1,971 USD
View
B
Retailer 14
-
$2,315 USD
View
B
Retailer 15
-
$2,984 USD
View
Most Expensive
C
NZ Jewellers
dca75a36-cb8a-453c-b424-2e578d9a0dfe · Nov 5
$4,166 USD
View
15 more retailers have this diamond
Prices start from $1,267 USDSave up to $2,899 USD

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
$1,267 USD