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Heart|Natural|GIA

0.53ct I SI1 Heart Natural Diamond

GD • I/SI1 • GIA 7548139596

Certificate GIA 7548139596

Diamond specifications and retailer prices

From $512 AUD
As of November 6, 2026
Save $173 AUD (25%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $685 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.53ct natural heart diamond

This 0.53ct natural heart sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7548139596. Listed at 2 retailers as of November 5, 2026, with prices from $512 to $685, a $173 spread on the same certified stone. Blue Nile lists it at $685. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.53
Carat
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7548139596
Dimensions4.86 × 5.68 × 3.38 mm
L/W Ratio1.17
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.86 mm5.68 mm0.53 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7548139596
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.5%

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 6
Current: $685 AUD|Low: $470 AUD|High: $786 AUD|Avg: $617 AUD|-12.8%
Blue Nile
Retailer 2
October 31, 2026
Retailer 2$512 AUD
Blue Nile$685 AUD

7 data points across 2 retailers

2 retailers$512 AUD to $685 AUD

A
Cheapest Retailer
-
$512 AUD
Final sale: no returns
Most Expensive
B+
Blue Nile
27489187 · Nov 5
$685 AUD
$471 USD
View
1 more retailer has this diamond
Prices start from $512 AUDSave up to $173 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
$512 AUD