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Heart|Natural|GIA

1.03ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6237888543

Certificate GIA 6237888543

Diamond specifications and retailer prices

From $3,432 AUD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: $6,506 AUD at NZ Jewellers · As of September 20, 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 6237888543. Listed at 3 retailers as of November 6, 2026. 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
Pavilion angle39.7°
OriginNatural
Grading LabGIA
CertificateGIA 6237888543
Dimensions6.18 × 6.96 × 4.09 mm
L/W Ratio1.13
Top View
6.18 mm6.96 mm1.03 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237888543
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 39.7°Culet: NoneDepth 58.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $3,304 AUD|Low: $2,385 AUD|High: $5,459 AUD|Avg: $3,452 AUD|+1.2%
Retailer 1
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
September 24, 2026
Retailer 15$2,385 AUD
Retailer 16$2,432 AUD
Retailer 12$2,668 AUD
Retailer 3$2,775 AUD
Retailer 11$2,841 AUD
Retailer 10$2,873 AUD
Retailer 14$2,969 AUD
Retailer 1$3,304 AUD
Retailer 9$3,342 AUD
Retailer 17$3,432 AUD
Retailer 6$3,595 AUD
Retailer 7$3,595 AUD
Retailer 5$3,711 AUD
Retailer 8$4,082 AUD
Retailer 4$4,282 AUD
Retailer 2$4,972 AUD
Retailer 13$5,459 AUD

3 data points across 17 retailers

3 retailers

Retailer 1
-
$2,775 AUD
Price last confirmed 63 days ago
B+
Retailer 2
-
$3,432 AUD
View
Most Expensive
NZ Jewellers
3489ba08-5c6b-4330-bb90-28625d28100a · Sep 20
$6,506 AUD
$4,470 USD
View
Price last confirmed 46 days ago
2 more retailers have this diamond
Prices start from $3,432 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.

B+
1.03ct Heart
$3,432 AUD