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Heart|Natural|GIA

0.51ct F SI1 Heart Natural Diamond

GD • F/SI1 • GIA 6532425710

Certificate GIA 6532425710

Diamond specifications and retailer prices

From $604 AUD
As of November 6, 2026
Save $168 AUD (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $772 AUD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6532425710. Listed at 4 retailers as of November 6, 2026, with prices from $604 to $772, a $168 spread on the same certified stone. 77 Diamonds lists it at $772. 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

0.51
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6532425710
Dimensions4.83 × 5.46 × 3.28 mm
L/W Ratio1.13
Top View
4.83 mm5.46 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6532425710
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.0%

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: $772 AUD|Low: $562 AUD|High: $868 AUD|Avg: $686 AUD|-9.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 2$604 AUD
Retailer 3$626 AUD
Retailer 4$678 AUD
77 Diamonds$772 AUD

42 data points across 4 retailers

4 retailers$604 AUD to $772 AUD

A
Cheapest Retailer
-
$604 AUD
A
Retailer 2
-
$626 AUD
View
Final sale: no returns
B+
Retailer 3
-
$678 AUD
View
Most Expensive
B+
77 Diamonds
HSCPGJRM2CNJ · Nov 7
$772 AUD
£418 GBP
View
3 more retailers have this diamond
Prices start from $604 AUDSave up to $168 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
0.51ct Heart
$604 AUD