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1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2526535799

Shape and cutting style on the report: Round brilliant

Certificate GIA 2526535799

Diamond specifications and retailer prices

From $1,876 SGD
As of November 6, 2026
Save $3,602 SGD (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,478 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 2526535799. Listed at 21 retailers as of November 5, 2026, with prices from $1,876 to $5,478, a $3,602 spread on the same certified stone. NZ Jewellers lists it at $5,478. 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
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2526535799
Dimensions6.41 × 6.37 × 4.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.41 mm6.37 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2526535799
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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: $1,876 SGD|Low: $1,876 SGD|High: $4,646 SGD|Avg: $2,805 SGD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$1,876 SGD
Retailer 10$1,912 SGD
Retailer 11$2,349 SGD
Retailer 3$2,368 SGD
Retailer 2$2,440 SGD
Retailer 4$2,473 SGD
Retailer 5$2,649 SGD
Retailer 6$2,829 SGD
Retailer 7$3,198 SGD
Retailer 8$3,205 SGD
Retailer 9$4,591 SGD

28 data points across 11 retailers

21 retailers$1,876 SGD to $5,478 SGD

A
Cheapest Retailer
-
$1,876 SGD
A
Retailer 2
-
$1,912 SGD
View
B+
Retailer 3
-
$2,299 SGD
View
B+
Retailer 4
-
$2,349 SGD
View
B+
Retailer 5
-
$2,368 SGD
View
B+
Retailer 6
-
$2,419 SGD
View
Final sale: no returns
B+
Retailer 7
-
$2,440 SGD
View
B+
Retailer 8
-
$2,473 SGD
View
B+
Retailer 9
-
$2,620 SGD
View
Retailer 10
-
$2,620 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,649 SGD
View
B+
Retailer 12
-
$2,657 SGD
View
B+
Retailer 13
-
$2,741 SGD
View
B+
Retailer 14
-
$2,829 SGD
View
B
Retailer 15
-
$3,023 SGD
View
B+
Retailer 16
-
$3,198 SGD
View
B+
Retailer 17
-
$3,205 SGD
View
Retailer 18
-
$3,230 SGD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$4,494 SGD
View
B
Retailer 20
-
$4,591 SGD
View
Most Expensive
B
NZ Jewellers
6380368e-d4d3-4b45-b96d-fe8a6027ba50 · Nov 5
$5,478 SGD
$4,289 USD
View
20 more retailers have this diamond
Prices start from $1,876 SGDSave up to $3,602 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
$1,876 SGD