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Round|Natural|GIA

0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7431674884

Certificate GIA 7431674884

Diamond specifications and retailer prices

From $636 AUD
As of November 5, 2026
Save $632 AUD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,268 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7431674884. Listed at 7 retailers as of November 4, 2026, with prices from $636 to $1,268, a $632 spread on the same certified stone. MOH London lists it at $1,268. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7431674884
Dimensions5.24 × 5.20 × 3.31 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Crystal, Cloud
Top View
5.24 mm5.20 mm0.55 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7431674884
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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: $1,268 AUD|Low: $537 AUD|High: $1,313 AUD|Avg: $838 AUD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$537 AUD
Retailer 7$636 AUD
Retailer 6$670 AUD
Retailer 2$706 AUD
Retailer 5$764 AUD
Retailer 3$994 AUD
MOH London$1,268 AUD

42 data points across 7 retailers

7 retailers$636 AUD to $1,268 AUD

Retailer 1
-
$537 AUD
Price last confirmed 8 days ago
A
Retailer 2
-
$636 AUD
View
A
Retailer 3
-
$670 AUD
View
A
Retailer 4
-
$706 AUD
View
B+
Retailer 5
-
$764 AUD
View
B+
Retailer 6
-
$994 AUD
View
Most Expensive
B
MOH London
DE7798CEC · Nov 4
$1,268 AUD
£699 GBP
View
6 more retailers have this diamond
Prices start from $636 AUDSave up to $632 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
$636 AUD