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1.01ct I SI2 Round Natural Diamond

EX • I/SI2 • HRD 260000217459

Certificate HRD 260000217459

Diamond specifications and retailer prices

From $1,349 SGD
As of November 6, 2026
Save $3,027 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,376 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000217459. Listed at 14 retailers as of November 5, 2026, with prices from $1,349 to $4,376, a $3,027 spread on the same certified stone. NZ Jewellers lists it at $4,376. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginNatural
Grading LabHRD
CertificateHRD 260000217459
Dimensions6.41 × 6.35 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.41 mm6.35 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000217459
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 41.1°Culet: NoneDepth 63.0%

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: $4,376 SGD|Low: $1,349 SGD|High: $4,560 SGD|Avg: $2,326 SGD|-4.0%
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
November 6, 2026
Retailer 2$1,349 SGD
Retailer 9$1,650 SGD
Retailer 4$1,655 SGD
Retailer 11$1,678 SGD
Retailer 10$1,795 SGD
Retailer 13$1,878 SGD
Retailer 3$2,071 SGD
Retailer 8$2,133 SGD
Retailer 6$2,337 SGD
Retailer 5$2,583 SGD
Retailer 7$2,958 SGD
Retailer 12$3,278 SGD
NZ Jewellers$4,376 SGD

40 data points across 13 retailers

14 retailers$1,349 SGD to $4,376 SGD

A
Cheapest Retailer
-
$1,349 SGD
A
Retailer 2
-
$1,650 SGD
View
A
Retailer 3
-
$1,655 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,677 SGD
View
A
Retailer 5
-
$1,678 SGD
View
A
Retailer 6
-
$1,795 SGD
View
A
Retailer 7
-
$1,878 SGD
View
A
Retailer 8
-
$2,071 SGD
View
A
Retailer 9
-
$2,133 SGD
View
A
Retailer 10
-
$2,337 SGD
View
A
Retailer 11
-
$2,583 SGD
View
B+
Retailer 12
-
$2,958 SGD
View
B+
Retailer 13
-
$3,278 SGD
View
Most Expensive
B
NZ Jewellers
e29dfb58-673e-4304-a4e5-bd34b792b448 · Nov 5
$4,376 SGD
$3,426 USD
View
13 more retailers have this diamond
Prices start from $1,349 SGDSave up to $3,027 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
$1,349 SGD