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Round|Natural|GIA

1.01ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 1425873376

Certificate GIA 1425873376

Diamond specifications and retailer prices

From $2,077 SGD
As of November 4, 2026
Save $4,196 SGD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,273 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 1425873376. Listed at 16 retailers as of November 4, 2026, with prices from $2,077 to $6,273, a $4,196 spread on the same certified stone. NZ Jewellers lists it at $6,273. 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

1.01
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1425873376
Dimensions6.32 × 6.26 × 3.94 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.32 mm6.26 mm1.01 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1425873376
Side View
Table 61.0%Crown 37°Girdle: ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: $2,760 SGD|Low: $1,846 SGD|High: $4,559 SGD|Avg: $2,750 SGD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$2,077 SGD
Retailer 6$2,151 SGD
Retailer 7$2,178 SGD
Retailer 5$2,188 SGD
Retailer 8$2,437 SGD
Retailer 1$2,760 SGD
Retailer 2$3,008 SGD
Retailer 3$3,258 SGD
Retailer 4$4,492 SGD

45 data points across 9 retailers

16 retailers$2,077 SGD to $6,273 SGD

A
Cheapest Retailer
-
$2,077 SGD
A
Retailer 2
-
$2,097 SGD
View
B+
Retailer 3
-
$2,122 SGD
View
B+
Retailer 4
-
$2,151 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,178 SGD
View
B+
Retailer 6
-
$2,267 SGD
View
B+
Retailer 7
-
$2,330 SGD
View
Retailer 8
-
$2,330 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,437 SGD
View
B
Retailer 10
-
$2,689 SGD
View
B+
Retailer 11
-
$2,760 SGD
View
B
Retailer 12
-
$2,958 SGD
View
B
Retailer 13
-
$3,008 SGD
View
B
Retailer 14
-
$3,258 SGD
View
B
Retailer 15
-
$4,492 SGD
View
Most Expensive
C
NZ Jewellers
1ac1045a-6a60-41fe-90ff-810dadb5b429 · Nov 5
$6,273 SGD
$4,911 USD
View
15 more retailers have this diamond
Prices start from $2,077 SGDSave up to $4,196 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
1.01ct Round
$2,077 SGD