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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 $1,618 SGD
As of November 6, 2026
Save $3,703 SGD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,321 SGD 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 $1,618 to $5,321, a $3,703 spread on the same certified stone. NZ Jewellers lists it at $5,321. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,321 SGD|Low: $1,602 SGD|High: $5,321 SGD|Avg: $2,513 SGD
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$1,618 SGD
Retailer 7$1,987 SGD
Retailer 4$2,013 SGD
Retailer 8$2,060 SGD
Retailer 2$2,087 SGD
Retailer 5$2,138 SGD
Retailer 14$2,182 SGD
Retailer 16$2,182 SGD
Retailer 9$2,249 SGD
Retailer 15$2,283 SGD
Retailer 6$2,355 SGD
Retailer 10$2,406 SGD
Retailer 3$2,518 SGD
Retailer 11$2,957 SGD
Retailer 12$3,811 SGD
NZ Jewellers$5,321 SGD

34 data points across 16 retailers

16 retailers$1,618 SGD to $5,321 SGD

A
Cheapest Retailer
-
$1,618 SGD
B+
Retailer 2
-
$1,987 SGD
View
B+
Retailer 3
-
$2,013 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,087 SGD
View
B+
Retailer 5
-
$2,138 SGD
View
B+
Retailer 6
-
$2,182 SGD
View
Retailer 7
-
$2,182 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,210 SGD
View
B+
Retailer 9
-
$2,249 SGD
View
B+
Retailer 10
-
$2,283 SGD
View
B+
Retailer 11
-
$2,355 SGD
View
B+
Retailer 12
-
$2,406 SGD
View
B+
Retailer 13
-
$2,518 SGD
View
B
Retailer 14
-
$2,957 SGD
View
B
Retailer 15
-
$3,811 SGD
View
Most Expensive
C
NZ Jewellers
dca75a36-cb8a-453c-b424-2e578d9a0dfe · Nov 5
$5,321 SGD
$4,166 USD
View
15 more retailers have this diamond
Prices start from $1,618 SGDSave up to $3,703 SGD

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
$1,618 SGD