Heart|Natural|IGI

1.04ct K SI1 Heart Natural Diamond

VG • K/SI1 • IGI 737519055

Shape and cutting style on the report: Heart brilliant

Certificate IGI 737519055

Diamond specifications and retailer prices

From $1,537 AUD
As of November 2, 2026
Save $2,310 AUD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,847 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.04ct natural heart diamond

This 1.04ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 737519055. Listed at 6 retailers as of November 2, 2026, with prices from $1,537 to $3,847, a $2,310 spread on the same certified stone. NZ Jewellers lists it at $3,847. 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

1.04
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 737519055
Dimensions6.13 × 7.16 × 4.11 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
6.13 mm7.16 mm1.04 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737519055
Side View
Table 63.0%Crown 36.3°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 57.4%

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 2
Current: $3,847 AUD|Low: $1,537 AUD|High: $3,886 AUD|Avg: $2,208 AUD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$1,537 AUD
Retailer 6$1,578 AUD
Retailer 4$1,579 AUD
Retailer 5$1,637 AUD
Retailer 7$2,013 AUD
Retailer 8$2,099 AUD
Retailer 3$2,889 AUD
NZ Jewellers$3,847 AUD

30 data points across 8 retailers

6 retailers$1,537 AUD to $3,847 AUD

A
Cheapest Retailer
-
$1,537 AUD
B+
Retailer 2
-
$1,578 AUD
View
A
Retailer 3
-
$1,579 AUD
View
B+
Retailer 4
-
$1,637 AUD
View
B
Retailer 5
-
$2,889 AUD
View
Most Expensive
B
NZ Jewellers
d8402390-e974-4dd8-8769-3656e6093a1c · Nov 3
$3,847 AUD
$2,643 USD
View
5 more retailers have this diamond
Prices start from $1,537 AUDSave up to $2,310 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
1.04ct Heart
$1,537 AUD