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Heart|Natural|GIA

1.03ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 2547310731

Certificate GIA 2547310731

Diamond specifications and retailer prices

From $3,043 AUD
As of November 2, 2026
Save $3,395 AUD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,439 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547310731. Listed at 5 retailers as of November 2, 2026, with prices from $3,043 to $6,439, a $3,395 spread on the same certified stone. NZ Jewellers lists it at $6,439. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.71°
Pavilion angle41.99°
OriginNatural
Grading LabGIA
CertificateGIA 2547310731
Dimensions6.17 × 6.96 × 4.19 mm
L/W Ratio1.13
Top View
6.17 mm6.96 mm1.03 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547310731
Side View
Table 60.0%Crown 40.71°Girdle: Slightly ThickPavilion 41.99°Culet: NoneDepth 60.2%

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: $6,439 AUD|Low: $3,020 AUD|High: $6,504 AUD|Avg: $4,028 AUD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$3,020 AUD
Retailer 3$3,043 AUD
Retailer 4$3,080 AUD
Retailer 5$3,221 AUD
Retailer 7$3,742 AUD
Retailer 8$3,769 AUD
Retailer 9$4,110 AUD
Retailer 2$5,395 AUD
NZ Jewellers$6,439 AUD

28 data points across 9 retailers

5 retailers$3,043 AUD to $6,439 AUD

A
Cheapest Retailer
-
$3,043 AUD
A
Retailer 2
-
$3,080 AUD
View
A
Retailer 3
-
$3,221 AUD
View
B
Retailer 4
-
$5,395 AUD
View
Most Expensive
B
NZ Jewellers
c955489a-647b-482c-af63-c8203ee4131f · Nov 3
$6,439 AUD
$4,424 USD
View
4 more retailers have this diamond
Prices start from $3,043 AUDSave up to $3,395 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
1.03ct Heart
$3,043 AUD