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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555731928

Certificate GIA 6555731928

Diamond specifications and retailer prices

From $754 AUD
As of November 5, 2026
Save $2,477 AUD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,231 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555731928. Listed at 21 retailers as of November 4, 2026, with prices from $754 to $3,231, a $2,477 spread on the same certified stone. NZ Jewellers lists it at $3,231. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555731928
Dimensions5.18 × 5.20 × 3.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.18 mm5.20 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555731928
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 5
Current: $3,231 AUD|Low: $754 AUD|High: $3,327 AUD|Avg: $1,388 AUD|-2.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19$754 AUD
Retailer 13$856 AUD
Retailer 9$950 AUD
Retailer 2$965 AUD
Retailer 3$1,000 AUD
Retailer 11$1,004 AUD
Retailer 5$1,019 AUD
Retailer 8$1,030 AUD
Retailer 14$1,058 AUD
Retailer 7$1,070 AUD
Retailer 18$1,166 AUD
Retailer 12$1,228 AUD
Retailer 15$1,240 AUD
Retailer 6$1,263 AUD
Retailer 16$1,358 AUD
Retailer 10$1,451 AUD
Retailer 4$2,377 AUD
Retailer 17$2,931 AUD
NZ Jewellers$3,231 AUD

20 data points across 19 retailers

21 retailers$754 AUD to $3,231 AUD

A
Cheapest Retailer
-
$754 AUD
A
Retailer 2
-
$856 AUD
View
A
Retailer 3
-
$950 AUD
View
Final sale: no returns
A
Retailer 4
-
$965 AUD
View
A
Retailer 5
-
$1,000 AUD
View
Retailer 6
-
$1,004 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$1,019 AUD
View
A
Retailer 8
-
$1,030 AUD
View
A
Retailer 9
-
$1,058 AUD
View
A
Retailer 10
-
$1,070 AUD
View
Retailer 11
-
$1,092 AUD
View
Price last confirmed 118 days ago
Retailer 12
-
$1,118 AUD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$1,166 AUD
View
A
Retailer 14
-
$1,228 AUD
View
A
Retailer 15
-
$1,240 AUD
View
A
Retailer 16
-
$1,263 AUD
View
B+
Retailer 17
-
$1,358 AUD
View
B+
Retailer 18
-
$1,451 AUD
View
B
Retailer 19
-
$2,377 AUD
View
B
Retailer 20
-
$2,931 AUD
View
Most Expensive
B
NZ Jewellers
b94884b0-2152-4354-9930-00b15adf1e95 · Nov 4
$3,231 AUD
$2,220 USD
View
20 more retailers have this diamond
Prices start from $754 AUDSave up to $2,477 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
$754 AUD