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Heart|Natural|GIA

0.55ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2546123282

Certificate GIA 2546123282

Diamond specifications and retailer prices

From $640 AUD
As of November 6, 2026
Save $194 AUD (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $834 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter carat band, graded G 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 2546123282. Listed at 4 retailers as of November 5, 2026, with prices from $640 to $834, a $194 spread on the same certified stone. Blue Nile lists it at $834. 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

0.55
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546123282
Dimensions5.14 × 5.68 × 3.33 mm
L/W Ratio1.11
Top View
5.14 mm5.68 mm0.55 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546123282
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $834 AUD|Low: $600 AUD|High: $978 AUD|Avg: $775 AUD|-14.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3$640 AUD
Retailer 4$697 AUD
Retailer 2$792 AUD
Blue Nile$834 AUD

42 data points across 4 retailers

4 retailers$640 AUD to $834 AUD

A
Cheapest Retailer
-
$640 AUD
Final sale: no returns
A
Retailer 2
-
$697 AUD
View
A
Retailer 3
-
$792 AUD
View
Most Expensive
B+
Blue Nile
27478766 · Nov 5
$834 AUD
$573 USD
View
3 more retailers have this diamond
Prices start from $640 AUDSave up to $194 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
0.55ct Heart
$640 AUD