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Heart|Natural|IGI

1.30ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 734534568

Shape and cutting style on the report: Heart brilliant

Certificate IGI 734534568

Diamond specifications and retailer prices

From $1,831 AUD
As of November 2, 2026
Save $2,751 AUD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,582 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart 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 very-good cut grade and certified by IGI 734534568. Listed at 6 retailers as of November 2, 2026, with prices from $1,831 to $4,582, a $2,751 spread on the same certified stone. NZ Jewellers lists it at $4,582. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 734534568
Dimensions6.77 × 7.56 × 4.48 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.77 mm7.56 mm1.30 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 734534568
Side View
Table 57.0%Crown 33.1°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 59.3%

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 2
Current: $4,582 AUD|Low: $1,831 AUD|High: $4,651 AUD|Avg: $2,540 AUD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 3$1,831 AUD
Retailer 2$1,877 AUD
Retailer 6$1,877 AUD
Retailer 5$1,950 AUD
Retailer 7$2,030 AUD
Retailer 8$2,244 AUD
Retailer 4$3,439 AUD
NZ Jewellers$4,582 AUD

31 data points across 8 retailers

6 retailers$1,831 AUD to $4,582 AUD

A
Cheapest Retailer
-
$1,831 AUD
A
Retailer 2
-
$1,877 AUD
View
A
Retailer 3
-
$1,877 AUD
View
A
Retailer 4
-
$1,950 AUD
View
B+
Retailer 5
-
$3,439 AUD
View
Most Expensive
B
NZ Jewellers
c038d9e1-dbc3-4d73-9903-69f170676316 · Nov 3
$4,582 AUD
$3,148 USD
View
5 more retailers have this diamond
Prices start from $1,831 AUDSave up to $2,751 AUD

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 Heart
$1,831 AUD