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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5543616345

Certificate GIA 5543616345

Diamond specifications and retailer prices

From $680 AUD
As of November 6, 2026
Save $1,971 AUD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,651 AUD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

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 5543616345. Listed at 14 retailers as of November 5, 2026, with prices from $680 to $2,651, a $1,971 spread on the same certified stone. Diamond Exchange Canada lists it at $2,651. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5543616345
Dimensions5.25 × 5.23 × 3.25 mm
L/W Ratio1.00
Top View
5.25 mm5.23 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543616345
Side View
Table 58.0%Crown 36°Girdle: STK-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: $2,651 AUD|Low: $604 AUD|High: $2,737 AUD|Avg: $1,322 AUD|-3.2%
Diamond Exchange Canada
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
November 6, 2026
Retailer 2$680 AUD
Retailer 6$786 AUD
Retailer 3$846 AUD
Retailer 4$886 AUD
Retailer 11$956 AUD
Retailer 8$960 AUD
Retailer 9$1,123 AUD
Retailer 10$1,124 AUD
Retailer 7$1,209 AUD
Retailer 14$1,237 AUD
Retailer 13$1,286 AUD
Retailer 5$1,289 AUD
Retailer 12$2,113 AUD
Diamond Exchange Canada$2,651 AUD

37 data points across 14 retailers

14 retailers$680 AUD to $2,651 AUD

A
Cheapest Retailer
-
$680 AUD
A
Retailer 2
-
$786 AUD
View
A
Retailer 3
-
$846 AUD
View
Final sale: no returns
A
Retailer 4
-
$886 AUD
View
A
Retailer 5
-
$956 AUD
View
A
Retailer 6
-
$960 AUD
View
A
Retailer 7
-
$1,123 AUD
View
A
Retailer 8
-
$1,124 AUD
View
A
Retailer 9
-
$1,209 AUD
View
A
Retailer 10
-
$1,237 AUD
View
A
Retailer 11
-
$1,286 AUD
View
B+
Retailer 12
-
$1,289 AUD
View
B
Retailer 13
-
$2,113 AUD
View
Most Expensive
B
Diamond Exchange Canada
1997641364 · Nov 5
$2,651 AUD
CA$2,577 CAD
View
13 more retailers have this diamond
Prices start from $680 AUDSave up to $1,971 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
$680 AUD