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Heart|Natural|GIA

0.53ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 1515977458

Certificate GIA 1515977458

Diamond specifications and retailer prices

From $624 AUD
As of November 6, 2026
Save $191 AUD (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $815 AUD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 0.53ct natural heart diamond

This 0.53ct natural heart sits in the half to three-quarter carat band, graded F 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 1515977458. Listed at 4 retailers as of November 6, 2026, with prices from $624 to $815, a $191 spread on the same certified stone. Brilliant Earth lists it at $815. 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

0.53
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1515977458
Dimensions5.04 × 5.59 × 3.33 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather
Top View
5.04 mm5.59 mm0.53 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1515977458
Side View
Table 59.0%CrownGirdle: MED-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: $815 AUD|Low: $555 AUD|High: $902 AUD|Avg: $735 AUD|-9.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$624 AUD
Retailer 4$678 AUD
Retailer 2$773 AUD
Brilliant Earth$815 AUD

41 data points across 4 retailers

4 retailers$624 AUD to $815 AUD

A
Cheapest Retailer
-
$624 AUD
Final sale: no returns
A
Retailer 2
-
$678 AUD
View
A
Retailer 3
-
$773 AUD
View
Most Expensive
B+
Brilliant Earth
18010073A · Nov 6
$815 AUD
$560 USD
View
3 more retailers have this diamond
Prices start from $624 AUDSave up to $191 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
0.53ct Heart
$624 AUD