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Round|Natural|GIA

0.55ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1555360544

Certificate GIA 1555360544

Diamond specifications and retailer prices

From $719 AUD
As of November 5, 2026
Save $560 AUD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,147 AUD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555360544. Listed at 17 retailers as of November 2, 2026, with a 78% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1555360544
Dimensions5.18 × 5.21 × 3.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.18 mm5.21 mm0.55 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555360544
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

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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 5
Current: $2,896 AUD|Low: $713 AUD|High: $3,063 AUD|Avg: $1,291 AUD|-5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7$719 AUD
Retailer 11$823 AUD
Retailer 6$859 AUD
Retailer 9$921 AUD
Retailer 4$923 AUD
Retailer 5$996 AUD
Retailer 8$1,116 AUD
Retailer 13$1,126 AUD
Retailer 2$1,131 AUD
Retailer 10$1,243 AUD
Retailer 12$1,279 AUD
Retailer 3$2,144 AUD
NZ Jewellers$2,896 AUD

30 data points across 13 retailers

17 retailers$719 AUD to $1,279 AUD

A
Cheapest Retailer
-
$719 AUD
A
Retailer 2
-
$823 AUD
View
A
Retailer 3
-
$859 AUD
View
Final sale: no returns
A
Retailer 4
-
$921 AUD
View
Retailer 5
-
$923 AUD
View
Price last confirmed 9 days ago
Retailer 6
-
$996 AUD
View
Price last confirmed 10 days ago
Retailer 7
-
$1,003 AUD
View
Price last confirmed 39 days ago
Retailer 8
-
$1,033 AUD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$1,116 AUD
View
A
Retailer 10
-
$1,126 AUD
View
A
Retailer 11
-
$1,131 AUD
View
Retailer 12
-
$1,147 AUD
View
Price last confirmed 38 days ago
A
Retailer 13
-
$1,243 AUD
View
A
Retailer 14
-
$1,279 AUD
View
Retailer 15
-
$2,144 AUD
View
Price last confirmed 8 days ago
Retailer 16
-
$2,896 AUD
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
7e4a0f2c-f75f-46a5-9007-74242dee9ced · Sep 24
$3,147 AUD
$2,203 USD
View
Price last confirmed 42 days ago
16 more retailers have this diamond
Prices start from $719 AUDSave up to $560 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 Round
$719 AUD