CaratHunter
Plans
Round|Natural|IGI

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 $2,430 NZD
As of November 6, 2026
Save $5,146 NZD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,576 NZD 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 $2,430 to $7,576, a $5,146 spread on the same certified stone. NZ Jewellers lists it at $7,576. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,430 NZD|Low: $2,430 NZD|High: $5,507 NZD|Avg: $3,770 NZD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$2,430 NZD
Retailer 7$2,695 NZD
Retailer 2$2,939 NZD
Retailer 8$3,291 NZD
Retailer 4$3,485 NZD
Retailer 3$3,791 NZD
Retailer 6$4,125 NZD
Retailer 5$5,426 NZD

33 data points across 8 retailers

19 retailers$2,430 NZD to $7,576 NZD

A
Cheapest Retailer
-
$2,430 NZD
A
Retailer 2
-
$2,695 NZD
View
A
Retailer 3
-
$2,830 NZD
View
A
Retailer 4
-
$2,939 NZD
View
A
Retailer 5
-
$3,106 NZD
View
Retailer 6
-
$3,106 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$3,220 NZD
View
A
Retailer 8
-
$3,250 NZD
View
A
Retailer 9
-
$3,291 NZD
View
A
Retailer 10
-
$3,350 NZD
View
A
Retailer 11
-
$3,426 NZD
View
A
Retailer 12
-
$3,485 NZD
View
B+
Retailer 13
-
$3,584 NZD
View
A
Retailer 14
-
$3,791 NZD
View
A
Retailer 15
-
$4,125 NZD
View
B+
Retailer 16
-
$4,680 NZD
View
B+
Retailer 17
-
$5,141 NZD
View
B+
Retailer 18
-
$5,426 NZD
View
Most Expensive
B
NZ Jewellers
e921917e-3950-4f9e-82a3-5d889092efa1 · Nov 5
$7,576 NZD
$4,259 USD
View
18 more retailers have this diamond
Prices start from $2,430 NZDSave up to $5,146 NZD

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
$2,430 NZD