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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7542787400

Certificate GIA 7542787400

Diamond specifications and retailer prices

From $559 AUD
As of November 6, 2026
Save $1,814 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,373 AUD at NZ Jewellers · As of November 4, 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 7542787400. Listed at 15 retailers as of November 4, 2026, with prices from $559 to $2,373, a $1,814 spread on the same certified stone. NZ Jewellers lists it at $2,373. 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
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7542787400
Dimensions5.23 × 5.26 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.23 mm5.26 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7542787400
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: $2,373 AUD|Low: $559 AUD|High: $2,373 AUD|Avg: $986 AUD
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 2$559 AUD
Retailer 7$640 AUD
Retailer 5$697 AUD
Retailer 3$757 AUD
Retailer 6$794 AUD
Retailer 12$807 AUD
Retailer 15$814 AUD
Retailer 4$873 AUD
Retailer 11$943 AUD
Retailer 9$944 AUD
Retailer 8$999 AUD
Retailer 10$1,026 AUD
Retailer 14$1,050 AUD
Retailer 13$1,744 AUD
NZ Jewellers$2,373 AUD

40 data points across 15 retailers

15 retailers$559 AUD to $2,373 AUD

A
Cheapest Retailer
-
$559 AUD
A
Retailer 2
-
$640 AUD
View
A
Retailer 3
-
$697 AUD
View
Final sale: no returns
A
Retailer 4
-
$757 AUD
View
A
Retailer 5
-
$794 AUD
View
A
Retailer 6
-
$807 AUD
View
A
Retailer 7
-
$814 AUD
View
A
Retailer 8
-
$873 AUD
View
A
Retailer 9
-
$943 AUD
View
A
Retailer 10
-
$944 AUD
View
A
Retailer 11
-
$999 AUD
View
A
Retailer 12
-
$1,026 AUD
View
A
Retailer 13
-
$1,050 AUD
View
B+
Retailer 14
-
$1,744 AUD
View
Most Expensive
B
NZ Jewellers
66fbd71a-caf1-4f57-8050-6266f4c238a7 · Nov 4
$2,373 AUD
$1,661 USD
View
14 more retailers have this diamond
Prices start from $559 AUDSave up to $1,814 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
$559 AUD