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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555941565

Certificate GIA 6555941565

Diamond specifications and retailer prices

From $770 AUD
As of November 5, 2026
Save $2,525 AUD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,295 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 6555941565. Listed at 18 retailers as of November 4, 2026, with prices from $770 to $3,295, a $2,525 spread on the same certified stone. NZ Jewellers lists it at $3,295. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555941565
Dimensions5.25 × 5.28 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.28 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555941565
Side View
Table 58.0%Crown 35.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.7%

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: $3,295 AUD|Low: $770 AUD|High: $3,391 AUD|Avg: $1,320 AUD|-2.8%
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
November 6, 2026
Retailer 17$770 AUD
Retailer 11$875 AUD
Retailer 6$969 AUD
Retailer 3$1,017 AUD
Retailer 9$1,022 AUD
Retailer 18$1,041 AUD
Retailer 4$1,051 AUD
Retailer 13$1,077 AUD
Retailer 5$1,099 AUD
Retailer 10$1,112 AUD
Retailer 16$1,189 AUD
Retailer 14$1,227 AUD
Retailer 2$1,247 AUD
Retailer 15$1,384 AUD
Retailer 12$1,425 AUD
Retailer 7$1,482 AUD
Retailer 8$1,959 AUD
NZ Jewellers$3,295 AUD

20 data points across 18 retailers

18 retailers$770 AUD to $3,295 AUD

A
Cheapest Retailer
-
$770 AUD
A
Retailer 2
-
$875 AUD
View
A
Retailer 3
-
$969 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,017 AUD
View
Retailer 5
-
$1,022 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,041 AUD
View
A
Retailer 7
-
$1,051 AUD
View
A
Retailer 8
-
$1,077 AUD
View
A
Retailer 9
-
$1,099 AUD
View
A
Retailer 10
-
$1,112 AUD
View
A
Retailer 11
-
$1,189 AUD
View
A
Retailer 12
-
$1,227 AUD
View
A
Retailer 13
-
$1,247 AUD
View
B+
Retailer 14
-
$1,384 AUD
View
B+
Retailer 15
-
$1,425 AUD
View
B+
Retailer 16
-
$1,482 AUD
View
B
Retailer 17
-
$1,959 AUD
View
Most Expensive
B
NZ Jewellers
690037d3-b987-4f3b-89bd-5435ef0c90d9 · Nov 4
$3,295 AUD
$2,264 USD
View
17 more retailers have this diamond
Prices start from $770 AUDSave up to $2,525 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
$770 AUD