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Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2496215881

Certificate GIA 2496215881

Diamond specifications and retailer prices

From $2,507 SGD
As of November 4, 2026
Save $4,459 SGD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,966 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2496215881. Listed at 21 retailers as of November 4, 2026, with prices from $2,507 to $6,966, a $4,459 spread on the same certified stone. NZ Jewellers lists it at $6,966. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2496215881
Dimensions6.39 × 6.34 × 3.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.39 mm6.34 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2496215881
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,505 SGD|Low: $2,507 SGD|High: $5,908 SGD|Avg: $3,651 SGD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$2,507 SGD
Retailer 3$2,631 SGD
Retailer 10$2,785 SGD
Retailer 4$3,014 SGD
Retailer 12$3,157 SGD
Retailer 2$3,270 SGD
Retailer 1$3,505 SGD
Retailer 11$3,732 SGD
Retailer 5$3,886 SGD
Retailer 6$3,933 SGD
Retailer 7$4,067 SGD
Retailer 8$5,822 SGD

44 data points across 12 retailers

21 retailers$2,507 SGD to $6,966 SGD

B+
Cheapest Retailer
-
$2,507 SGD
B+
Retailer 2
-
$2,631 SGD
View
B+
Retailer 3
-
$2,726 SGD
View
B+
Retailer 4
-
$2,785 SGD
View
Final sale: no returns
B
Retailer 5
-
$3,014 SGD
View
Retailer 6
-
$3,018 SGD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$3,018 SGD
View
B
Retailer 8
-
$3,157 SGD
View
B+
Retailer 9
-
$3,270 SGD
View
B
Retailer 10
-
$3,474 SGD
View
B
Retailer 11
-
$3,474 SGD
View
B
Retailer 12
-
$3,483 SGD
View
B
Retailer 13
-
$3,505 SGD
View
B
Retailer 14
-
$3,589 SGD
View
Retailer 15
-
$3,732 SGD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$3,826 SGD
View
B
Retailer 17
-
$3,886 SGD
View
B
Retailer 18
-
$3,933 SGD
View
B
Retailer 19
-
$4,067 SGD
View
B
Retailer 20
-
$5,822 SGD
View
Most Expensive
B
NZ Jewellers
397b1b1f-b2e4-4383-9624-cf1cedbd3da3 · Nov 5
$6,966 SGD
$5,454 USD
View
20 more retailers have this diamond
Prices start from $2,507 SGDSave up to $4,459 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.

B+
1.01ct Round
$2,507 SGD