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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1568016522

Certificate GIA 1568016522

Diamond specifications and retailer prices

From $749 AUD
As of November 6, 2026
Save $1,598 AUD (68%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,193 AUD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568016522. Listed at 21 retailers as of November 4, 2026, with a 214% 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1568016522
Dimensions5.31 × 5.34 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.31 mm5.34 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568016522
Side View
Table 60.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
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 6
Current: $749 AUD|Low: $551 AUD|High: $2,380 AUD|Avg: $1,207 AUD|+8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$749 AUD
Retailer 9$940 AUD
Retailer 2$963 AUD
Retailer 8$1,019 AUD
Retailer 7$1,057 AUD
Retailer 5$1,201 AUD
Retailer 10$1,207 AUD
Retailer 4$1,233 AUD
Retailer 3$1,354 AUD
Retailer 6$2,347 AUD

35 data points across 10 retailers

21 retailers$749 AUD to $2,347 AUD

A
Cheapest Retailer
-
$749 AUD
A
Retailer 2
-
$940 AUD
View
Final sale: no returns
A
Retailer 3
-
$961 AUD
View
Retailer 4
-
$1,009 AUD
View
Price last confirmed 35 days ago
Retailer 5
-
$1,011 AUD
View
Price last confirmed 44 days ago
Retailer 6
-
$1,019 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,019 AUD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$1,019 AUD
View
Retailer 9
-
$1,019 AUD
View
Price last confirmed 21 days ago
A
Retailer 10
-
$1,057 AUD
View
Retailer 11
-
$1,144 AUD
View
Price last confirmed 45 days ago
Retailer 12
-
$1,174 AUD
View
Price last confirmed 29 days ago
A
Retailer 13
-
$1,174 AUD
View
A
Retailer 14
-
$1,201 AUD
View
A
Retailer 15
-
$1,207 AUD
View
A
Retailer 16
-
$1,233 AUD
View
B+
Retailer 17
-
$1,354 AUD
View
B
Retailer 18
-
$2,347 AUD
View
Retailer 19
-
$3,050 AUD
View
Price last confirmed 46 days ago
Retailer 20
-
$3,193 AUD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
fec76635-06e2-4165-8003-17177b70ff9c · Oct 30
$3,193 AUD
$2,235 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $749 AUDSave up to $1,598 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
$749 AUD