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Heart|Natural|GIA

0.55ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 7536587864

Certificate GIA 7536587864

Diamond specifications and retailer prices

From $645 AUD
As of November 6, 2026
Save $199 AUD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $844 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7536587864. Listed at 4 retailers as of November 6, 2026, with prices from $645 to $844, a $199 spread on the same certified stone. Brilliant Earth lists it at $844. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7536587864
Dimensions5.74 × 5.05 × 3.41 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal
Top View
5.74 mm5.05 mm0.55 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7536587864
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $844 AUD|Low: $619 AUD|High: $975 AUD|Avg: $776 AUD|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3$645 AUD
Retailer 4$664 AUD
Retailer 2$825 AUD
Brilliant Earth$844 AUD

42 data points across 4 retailers

4 retailers$645 AUD to $844 AUD

A
Cheapest Retailer
-
$645 AUD
A
Retailer 2
-
$664 AUD
View
Final sale: no returns
B+
Retailer 3
-
$825 AUD
View
Most Expensive
B+
Brilliant Earth
15936830A · Nov 6
$844 AUD
$580 USD
View
3 more retailers have this diamond
Prices start from $645 AUDSave up to $199 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
$645 AUD