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1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 651482131

Shape and cutting style on the report: Round brilliant

Certificate IGI 651482131

Diamond specifications and retailer prices

From $1,915 CAD
As of November 5, 2026
Save $4,033 CAD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,948 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 651482131. Listed at 19 retailers as of November 5, 2026, with prices from $1,915 to $5,948, a $4,033 spread on the same certified stone. NZ Jewellers lists it at $5,948. 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

1.30
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 651482131
Dimensions6.95 × 6.91 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.95 mm6.91 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651482131
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.9%

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 5
Current: $1,915 CAD|Low: $1,915 CAD|High: $4,324 CAD|Avg: $2,968 CAD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 1$1,915 CAD
Retailer 7$2,116 CAD
Retailer 2$2,307 CAD
Retailer 8$2,584 CAD
Retailer 4$2,736 CAD
Retailer 3$2,976 CAD
Retailer 6$3,239 CAD
Retailer 5$4,260 CAD

32 data points across 8 retailers

19 retailers$1,915 CAD to $5,948 CAD

A
Cheapest Retailer
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$1,915 CAD
A
Retailer 2
-
$2,116 CAD
View
A
Retailer 3
-
$2,222 CAD
View
A
Retailer 4
-
$2,307 CAD
View
A
Retailer 5
-
$2,438 CAD
View
Retailer 6
-
$2,438 CAD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$2,528 CAD
View
A
Retailer 8
-
$2,552 CAD
View
A
Retailer 9
-
$2,584 CAD
View
A
Retailer 10
-
$2,630 CAD
View
B+
Retailer 11
-
$2,690 CAD
View
A
Retailer 12
-
$2,736 CAD
View
B+
Retailer 13
-
$2,814 CAD
View
A
Retailer 14
-
$2,976 CAD
View
A
Retailer 15
-
$3,239 CAD
View
B+
Retailer 16
-
$3,674 CAD
View
B+
Retailer 17
-
$4,036 CAD
View
B+
Retailer 18
-
$4,260 CAD
View
Most Expensive
B
NZ Jewellers
e921917e-3950-4f9e-82a3-5d889092efa1 · Nov 5
$5,948 CAD
$4,259 USD
View
18 more retailers have this diamond
Prices start from $1,915 CADSave up to $4,033 CAD

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
1.30ct Round
$1,915 CAD