CaratHunter
Plans
Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6555218545

Certificate GIA 6555218545

Diamond specifications and retailer prices

From $733 AUD
As of November 6, 2026
Save $2,891 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,828 AUD at NZ Jewellers · As of November 2, 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 6555218545. Listed at 14 retailers as of November 2, 2026, with a 395% 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
OriginNatural
Grading LabGIA
CertificateGIA 6555218545
Dimensions5.22 × 5.26 × 3.25 mm
L/W Ratio1.01
Top View
5.22 mm5.26 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555218545
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: 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: $4,828 AUD|Low: $649 AUD|High: $4,828 AUD|Avg: $1,339 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
November 6, 2026
Retailer 2$733 AUD
Retailer 4$900 AUD
Retailer 5$1,149 AUD
Retailer 7$1,321 AUD
Retailer 6$1,454 AUD
Retailer 8$1,827 AUD
Retailer 3$1,980 AUD
Retailer 13$2,048 AUD
Retailer 10$2,071 AUD
Retailer 9$2,284 AUD
Retailer 11$2,626 AUD
Retailer 12$3,624 AUD
NZ Jewellers$4,828 AUD

39 data points across 13 retailers

14 retailers$733 AUD to $3,624 AUD

A
Cheapest Retailer
-
$733 AUD
A
Retailer 2
-
$900 AUD
View
A
Retailer 3
-
$943 AUD
View
A
Retailer 4
-
$1,149 AUD
View
A
Retailer 5
-
$1,321 AUD
View
B+
Retailer 6
-
$1,454 AUD
View
B
Retailer 7
-
$1,827 AUD
View
Final sale: no returns
B
Retailer 8
-
$1,980 AUD
View
B
Retailer 9
-
$2,048 AUD
View
B
Retailer 10
-
$2,071 AUD
View
B
Retailer 11
-
$2,284 AUD
View
B
Retailer 12
-
$2,626 AUD
View
B
Retailer 13
-
$3,624 AUD
View
Most Expensive
NZ Jewellers
139f609a-e160-479d-86c8-182dc5e62dd1 · Nov 2
$4,828 AUD
$3,380 USD
View
Price under review
13 more retailers have this diamond
Prices start from $733 AUDSave up to $2,891 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
$733 AUD