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Heart|Natural|GIA

0.55ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 1517557910

Certificate GIA 1517557910

Diamond specifications and retailer prices

From $726 AUD
As of November 4, 2026
Save $1,253 AUD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,979 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1517557910. Listed at 6 retailers as of November 4, 2026, with prices from $726 to $1,979, a $1,253 spread on the same certified stone. Do Amore Diamonds lists it at $1,979. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1517557910
Dimensions5.70 × 5.03 × 2.98 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Crystal
Top View
5.70 mm5.03 mm0.55 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1517557910
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.2%

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 4
Current: $1,979 AUD|Low: $651 AUD|High: $2,227 AUD|Avg: $1,070 AUD|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$726 AUD
Retailer 6$786 AUD
Retailer 5$856 AUD
Retailer 4$878 AUD
Retailer 2$972 AUD
Retailer 7$1,128 AUD
Do Amore Diamonds$1,979 AUD

42 data points across 7 retailers

6 retailers$726 AUD to $1,979 AUD

A
Cheapest Retailer
-
$726 AUD
Final sale: no returns
A
Retailer 2
-
$786 AUD
View
A
Retailer 3
-
$856 AUD
View
A
Retailer 4
-
$878 AUD
View
A
Retailer 5
-
$972 AUD
View
Most Expensive
B
Do Amore Diamonds
12-100761169540 · Nov 6
$1,979 AUD
$1,360 USD
View
5 more retailers have this diamond
Prices start from $726 AUDSave up to $1,253 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
$726 AUD