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Heart|Natural|GIA

0.53ct H SI1 Heart Natural Diamond

GD • H/SI1 • GIA 6542133689

Certificate GIA 6542133689

Diamond specifications and retailer prices

From $572 AUD
As of November 6, 2026
Save $183 AUD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $755 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 H 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 6542133689. Listed at 4 retailers as of November 5, 2026, with prices from $572 to $755, a $183 spread on the same certified stone. Blue Nile lists it at $755. 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
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542133689
Dimensions5.09 × 5.85 × 3.23 mm
L/W Ratio1.15
Top View
5.09 mm5.85 mm0.53 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6542133689
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 55.3%

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: $755 AUD|Low: $528 AUD|High: $878 AUD|Avg: $687 AUD|-13.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3$572 AUD
Retailer 4$616 AUD
Retailer 2$703 AUD
Blue Nile$755 AUD

41 data points across 4 retailers

4 retailers$572 AUD to $755 AUD

A
Cheapest Retailer
-
$572 AUD
Final sale: no returns
A
Retailer 2
-
$616 AUD
View
B+
Retailer 3
-
$703 AUD
View
Most Expensive
B+
Blue Nile
27466642 · Nov 5
$755 AUD
$519 USD
View
3 more retailers have this diamond
Prices start from $572 AUDSave up to $183 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
$572 AUD