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Heart|Natural|IGI

1.00ct E SI2 Heart Natural Diamond

VG • E/SI2 • IGI 743559130

Shape and cutting style on the report: Heart brilliant

Certificate IGI 743559130

Diamond specifications and retailer prices

From $1,423 AUD
As of November 2, 2026
Save $3,244 AUD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,667 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559130. Listed at 14 retailers as of November 2, 2026, with prices from $1,423 to $4,667, a $3,244 spread on the same certified stone. NZ Jewellers lists it at $4,667. 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

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 743559130
Dimensions5.95 × 6.87 × 4.09 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.95 mm6.87 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559130
Side View
Table 60.0%Crown 34.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 59.5%

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: $4,667 AUD|Low: $1,423 AUD|High: $4,667 AUD|Avg: $2,202 AUD
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
November 3, 2026
Retailer 7$1,423 AUD
Retailer 10$1,611 AUD
Retailer 4$1,767 AUD
Retailer 12$1,803 AUD
Retailer 2$1,888 AUD
Retailer 3$1,914 AUD
Retailer 5$1,914 AUD
Retailer 9$1,928 AUD
Retailer 13$2,001 AUD
Retailer 6$2,109 AUD
Retailer 11$2,110 AUD
Retailer 14$2,208 AUD
Retailer 8$3,503 AUD
NZ Jewellers$4,667 AUD

35 data points across 14 retailers

14 retailers$1,423 AUD to $4,667 AUD

A
Cheapest Retailer
-
$1,423 AUD
A
Retailer 2
-
$1,611 AUD
View
B+
Retailer 3
-
$1,767 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,803 AUD
View
A
Retailer 5
-
$1,888 AUD
View
A
Retailer 6
-
$1,914 AUD
View
Retailer 7
-
$1,914 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,928 AUD
View
A
Retailer 9
-
$2,001 AUD
View
A
Retailer 10
-
$2,109 AUD
View
Retailer 11
-
$2,110 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$2,208 AUD
View
B+
Retailer 13
-
$3,503 AUD
View
Most Expensive
B
NZ Jewellers
2ac9501a-f69a-483e-82a9-785b2124e472 · Nov 3
$4,667 AUD
$3,207 USD
View
13 more retailers have this diamond
Prices start from $1,423 AUDSave up to $3,244 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
1.00ct Heart
$1,423 AUD