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Heart|Natural|GIA

0.55ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2556839279

Certificate GIA 2556839279

Diamond specifications and retailer prices

From $614 AUD
As of November 6, 2026
Save $1,100 AUD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,601 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.55ct natural heart diamond

This 0.55ct 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 2556839279. Listed at 13 retailers as of November 4, 2026, with a 179% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556839279
Dimensions5.05 × 5.56 × 3.33 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
5.05 mm5.56 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556839279
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.9%

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: $774 AUD|Low: $614 AUD|High: $1,877 AUD|Avg: $984 AUD|-23.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$614 AUD
Retailer 2$684 AUD
Retailer 3$687 AUD
Retailer 4$768 AUD
Retailer 1$774 AUD
Retailer 5$841 AUD
Retailer 10$1,033 AUD
Retailer 8$1,060 AUD
Retailer 9$1,084 AUD
Retailer 6$1,153 AUD
Retailer 7$1,714 AUD

30 data points across 11 retailers

13 retailers$614 AUD to $1,714 AUD

A
Cheapest Retailer
-
$614 AUD
A
Retailer 2
-
$684 AUD
View
B+
Retailer 3
-
$687 AUD
View
Final sale: no returns
A
Retailer 4
-
$768 AUD
View
B+
Retailer 5
-
$774 AUD
View
B+
Retailer 6
-
$841 AUD
View
B+
Retailer 7
-
$1,033 AUD
View
B+
Retailer 8
-
$1,060 AUD
View
B+
Retailer 9
-
$1,084 AUD
View
B+
Retailer 10
-
$1,153 AUD
View
Retailer 11
-
$1,208 AUD
View
Price last confirmed 34 days ago
B
Retailer 12
-
$1,714 AUD
View
Most Expensive
NZ Jewellers
289e049b-b5c9-4967-a47b-c459c1187e17 · Sep 25
$2,601 AUD
$1,787 USD
View
Price under review
12 more retailers have this diamond
Prices start from $614 AUDSave up to $1,100 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
$614 AUD