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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 $1,683 SGD
As of November 6, 2026
Save $3,870 SGD (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,554 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 6201522226. Listed at 17 retailers as of November 5, 2026, with prices from $1,683 to $5,554, a $3,870 spread on the same certified stone. NZ Jewellers lists it at $5,554. 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: $5,554 SGD|Low: $1,667 SGD|High: $5,554 SGD|Avg: $2,568 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
Retailer 17
November 6, 2026
Retailer 14$1,683 SGD
Retailer 5$1,821 SGD
Retailer 8$1,940 SGD
Retailer 4$2,101 SGD
Retailer 2$2,178 SGD
Retailer 6$2,219 SGD
Retailer 3$2,277 SGD
Retailer 15$2,277 SGD
Retailer 9$2,299 SGD
Retailer 10$2,346 SGD
Retailer 16$2,382 SGD
Retailer 7$2,451 SGD
Retailer 11$2,512 SGD
Retailer 17$2,627 SGD
Retailer 12$3,086 SGD
Retailer 13$3,979 SGD
NZ Jewellers$5,554 SGD

33 data points across 17 retailers

17 retailers$1,683 SGD to $5,554 SGD

A
Cheapest Retailer
-
$1,683 SGD
B+
Retailer 2
-
$1,821 SGD
View
B+
Retailer 3
-
$2,074 SGD
View
B+
Retailer 4
-
$2,101 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,178 SGD
View
B+
Retailer 6
-
$2,219 SGD
View
B+
Retailer 7
-
$2,277 SGD
View
Retailer 8
-
$2,277 SGD
View
Price last confirmed 8 days ago
Retailer 9
-
$2,299 SGD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$2,346 SGD
View
B+
Retailer 11
-
$2,382 SGD
View
B+
Retailer 12
-
$2,451 SGD
View
B+
Retailer 13
-
$2,512 SGD
View
B+
Retailer 14
-
$2,627 SGD
View
B
Retailer 15
-
$3,086 SGD
View
B
Retailer 16
-
$3,979 SGD
View
Most Expensive
B
NZ Jewellers
705ad050-b111-468a-a6ca-7d96b7576e1e · Nov 5
$5,554 SGD
$4,348 USD
View
16 more retailers have this diamond
Prices start from $1,683 SGDSave up to $3,870 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
$1,683 SGD