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Heart|Natural|GIA

0.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 5546068848

Certificate GIA 5546068848

Diamond specifications and retailer prices

From $501 AUD
As of November 6, 2026
Save $170 AUD (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $671 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded I 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 5546068848. Listed at 4 retailers as of November 5, 2026, with prices from $501 to $671, a $170 spread on the same certified stone. Blue Nile lists it at $671. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546068848
Dimensions4.83 × 5.58 × 3.31 mm
L/W Ratio1.16
Top View
4.83 mm5.58 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5546068848
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $671 AUD|Low: $460 AUD|High: $770 AUD|Avg: $607 AUD|-12.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$501 AUD
Retailer 3$533 AUD
Retailer 2$665 AUD
Blue Nile$671 AUD

42 data points across 4 retailers

4 retailers$501 AUD to $671 AUD

A
Cheapest Retailer
-
$501 AUD
Final sale: no returns
A
Retailer 2
-
$533 AUD
View
B+
Retailer 3
-
$665 AUD
View
Most Expensive
B+
Blue Nile
27301179 · Nov 5
$671 AUD
$461 USD
View
3 more retailers have this diamond
Prices start from $501 AUDSave up to $170 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
0.50ct Heart
$501 AUD