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Heart|Natural|IGI

0.73ct J SI1 Heart Natural Diamond

VG • J/SI1 • IGI 815656656

Shape and cutting style on the report: Heart brilliant

Certificate IGI 815656656

Diamond specifications and retailer prices

From $900 NZD
As of November 3, 2026
Save $2,928 NZD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,828 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.73ct natural heart diamond

This 0.73ct natural heart sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815656656. Listed at 17 retailers as of November 3, 2026, with prices from $900 to $3,828, a $2,928 spread on the same certified stone. NZ Jewellers lists it at $3,828. 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

0.73
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.9°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 815656656
Dimensions5.46 × 6.26 × 3.67 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.46 mm6.26 mm0.73 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656656
Side View
Table 60.0%Crown 40.9°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 58.6%

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 3
Current: $3,828 NZD|Low: $900 NZD|High: $3,884 NZD|Avg: $1,746 NZD|-1.4%
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
November 7, 2026
Retailer 3$900 NZD
Retailer 15$1,198 NZD
Retailer 16$1,221 NZD
Retailer 8$1,227 NZD
Retailer 2$1,268 NZD
Retailer 4$1,355 NZD
Retailer 10$1,391 NZD
Retailer 14$1,409 NZD
Retailer 6$1,454 NZD
Retailer 12$1,530 NZD
Retailer 7$1,551 NZD
Retailer 13$1,629 NZD
Retailer 17$1,826 NZD
Retailer 11$1,827 NZD
Retailer 9$2,848 NZD
Retailer 5$3,512 NZD
NZ Jewellers$3,828 NZD

20 data points across 17 retailers

17 retailers$900 NZD to $3,828 NZD

A
Cheapest Retailer
-
$900 NZD
A
Retailer 2
-
$1,198 NZD
View
A
Retailer 3
-
$1,221 NZD
View
Retailer 4
-
$1,227 NZD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$1,268 NZD
View
B+
Retailer 6
-
$1,355 NZD
View
B+
Retailer 7
-
$1,391 NZD
View
B+
Retailer 8
-
$1,409 NZD
View
B+
Retailer 9
-
$1,454 NZD
View
B+
Retailer 10
-
$1,530 NZD
View
B+
Retailer 11
-
$1,551 NZD
View
B+
Retailer 12
-
$1,629 NZD
View
B
Retailer 13
-
$1,826 NZD
View
B
Retailer 14
-
$1,827 NZD
View
Retailer 15
-
$2,848 NZD
View
Price last confirmed 13 days ago
C
Retailer 16
-
$3,512 NZD
View
Most Expensive
B
NZ Jewellers
b2af5e46-4b90-4f88-8be0-cf11bee2f9e0 · Nov 5
$3,828 NZD
$2,122 USD
View
16 more retailers have this diamond
Prices start from $900 NZDSave up to $2,928 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
0.73ct Heart
$900 NZD