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1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 754512411

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512411

Diamond specifications and retailer prices

From $1,460 SGD
As of November 6, 2026
Save $3,115 SGD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,575 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512411. Listed at 20 retailers as of November 5, 2026, with prices from $1,460 to $4,575, a $3,115 spread on the same certified stone. NZ Jewellers lists it at $4,575. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 754512411
Dimensions6.47 × 6.49 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.47 mm6.49 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512411
Side View
Table 59.0%Crown 32.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,575 SGD|Low: $1,460 SGD|High: $4,575 SGD|Avg: $2,206 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
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 2$1,460 SGD
Retailer 10$1,660 SGD
Retailer 9$1,738 SGD
Retailer 16$1,783 SGD
Retailer 13$1,795 SGD
Retailer 4$1,875 SGD
Retailer 7$1,875 SGD
Retailer 19$1,947 SGD
Retailer 6$1,962 SGD
Retailer 20$1,999 SGD
Retailer 3$2,049 SGD
Retailer 8$2,054 SGD
Retailer 14$2,082 SGD
Retailer 11$2,164 SGD
Retailer 15$2,197 SGD
Retailer 17$2,289 SGD
Retailer 18$2,523 SGD
Retailer 12$2,806 SGD
Retailer 5$3,303 SGD
NZ Jewellers$4,575 SGD

24 data points across 20 retailers

20 retailers$1,460 SGD to $4,575 SGD

A
Cheapest Retailer
-
$1,460 SGD
A
Retailer 2
-
$1,660 SGD
View
A
Retailer 3
-
$1,738 SGD
View
A
Retailer 4
-
$1,783 SGD
View
A
Retailer 5
-
$1,795 SGD
View
B+
Retailer 6
-
$1,875 SGD
View
Retailer 7
-
$1,875 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,947 SGD
View
B+
Retailer 9
-
$1,962 SGD
View
B+
Retailer 10
-
$1,999 SGD
View
B+
Retailer 11
-
$2,049 SGD
View
B+
Retailer 12
-
$2,054 SGD
View
A
Retailer 13
-
$2,082 SGD
View
B+
Retailer 14
-
$2,164 SGD
View
A
Retailer 15
-
$2,197 SGD
View
B+
Retailer 16
-
$2,289 SGD
View
B+
Retailer 17
-
$2,523 SGD
View
B
Retailer 18
-
$2,806 SGD
View
Retailer 19
-
$3,303 SGD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
7026b706-70dc-4fa0-bdf0-ca6f9984962b · Nov 5
$4,575 SGD
$3,582 USD
View
19 more retailers have this diamond
Prices start from $1,460 SGDSave up to $3,115 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
$1,460 SGD