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Heart|Natural|GIA

0.55ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 5533430664

Certificate GIA 5533430664

Diamond specifications and retailer prices

From $672 AUD
As of November 6, 2026
Save $201 AUD (23%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $873 AUD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5533430664. Listed at 5 retailers as of November 6, 2026, with prices from $672 to $873, a $201 spread on the same certified stone. Brilliant Earth lists it at $873. 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

0.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5533430664
Dimensions5.81 × 4.92 × 3.47 mm
L/W Ratio1.18
Top View
5.81 mm4.92 mm0.55 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5533430664
Side View
Table 58.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $873 AUD|Low: $621 AUD|High: $990 AUD|Avg: $790 AUD|-11.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$672 AUD
Retailer 3$690 AUD
Retailer 4$754 AUD
Retailer 2$860 AUD
Brilliant Earth$873 AUD

41 data points across 5 retailers

5 retailers$672 AUD to $873 AUD

A
Cheapest Retailer
-
$672 AUD
A
Retailer 2
-
$690 AUD
View
Final sale: no returns
A
Retailer 3
-
$754 AUD
View
A
Retailer 4
-
$860 AUD
View
Most Expensive
A
Brilliant Earth
15735843A · Nov 6
$873 AUD
$600 USD
View
4 more retailers have this diamond
Prices start from $672 AUDSave up to $201 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
0.55ct Heart
$672 AUD