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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6442376846

Certificate GIA 6442376846

Diamond specifications and retailer prices

From $1,173 AUD
As of November 4, 2026
Save $2,950 AUD (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,123 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 6442376846. Listed at 18 retailers as of November 4, 2026, with prices from $1,173 to $4,123, a $2,950 spread on the same certified stone. NZ Jewellers lists it at $4,123. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6442376846
Dimensions5.25 × 5.21 × 3.25 mm
L/W Ratio1.01
Top View
5.25 mm5.21 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6442376846
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 4
Current: $1,296 AUD|Low: $1,011 AUD|High: $2,380 AUD|Avg: $1,597 AUD|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5$1,214 AUD
Retailer 3$1,264 AUD
Retailer 1$1,296 AUD
Retailer 2$1,838 AUD
Retailer 4$2,347 AUD

40 data points across 5 retailers

18 retailers$1,173 AUD to $4,123 AUD

A
Cheapest Retailer
-
$1,173 AUD
A
Retailer 2
-
$1,197 AUD
View
A
Retailer 3
-
$1,214 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,264 AUD
View
A
Retailer 5
-
$1,296 AUD
View
B+
Retailer 6
-
$1,314 AUD
View
Retailer 7
-
$1,314 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,330 AUD
View
B+
Retailer 9
-
$1,366 AUD
View
B+
Retailer 10
-
$1,400 AUD
View
B+
Retailer 11
-
$1,400 AUD
View
B+
Retailer 12
-
$1,443 AUD
View
B+
Retailer 13
-
$1,504 AUD
View
B+
Retailer 14
-
$1,517 AUD
View
B+
Retailer 15
-
$1,838 AUD
View
B
Retailer 16
-
$2,347 AUD
View
B
Retailer 17
-
$2,931 AUD
View
Most Expensive
B
NZ Jewellers
c86dd0f2-128e-4e24-85a4-09056f3a4634 · Nov 4
$4,123 AUD
$2,886 USD
View
17 more retailers have this diamond
Prices start from $1,173 AUDSave up to $2,950 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
$1,173 AUD