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 $726 AUD
As of November 3, 2026
Save $2,362 AUD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,088 AUD 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 $726 to $3,088, a $2,362 spread on the same certified stone. NZ Jewellers lists it at $3,088. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $3,088 AUD|Low: $726 AUD|High: $3,133 AUD|Avg: $1,405 AUD|-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 6, 2026
Retailer 3$726 AUD
Retailer 14$966 AUD
Retailer 15$985 AUD
Retailer 8$990 AUD
Retailer 17$1,025 AUD
Retailer 4$1,093 AUD
Retailer 12$1,122 AUD
Retailer 13$1,137 AUD
Retailer 6$1,173 AUD
Retailer 10$1,234 AUD
Retailer 7$1,252 AUD
Retailer 11$1,314 AUD
Retailer 16$1,473 AUD
Retailer 2$1,474 AUD
Retailer 9$2,298 AUD
Retailer 5$2,834 AUD
NZ Jewellers$3,088 AUD

19 data points across 17 retailers

17 retailers$726 AUD to $3,088 AUD

A
Cheapest Retailer
-
$726 AUD
A
Retailer 2
-
$966 AUD
View
A
Retailer 3
-
$985 AUD
View
Retailer 4
-
$990 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$1,025 AUD
View
B+
Retailer 6
-
$1,093 AUD
View
B+
Retailer 7
-
$1,122 AUD
View
B+
Retailer 8
-
$1,137 AUD
View
B+
Retailer 9
-
$1,173 AUD
View
B+
Retailer 10
-
$1,234 AUD
View
B+
Retailer 11
-
$1,252 AUD
View
B+
Retailer 12
-
$1,314 AUD
View
B
Retailer 13
-
$1,473 AUD
View
B
Retailer 14
-
$1,474 AUD
View
Retailer 15
-
$2,298 AUD
View
Price last confirmed 13 days ago
C
Retailer 16
-
$2,834 AUD
View
Most Expensive
B
NZ Jewellers
b2af5e46-4b90-4f88-8be0-cf11bee2f9e0 · Nov 5
$3,088 AUD
$2,122 USD
View
16 more retailers have this diamond
Prices start from $726 AUDSave up to $2,362 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
0.73ct Heart
$726 AUD