CaratHunter
Plans
Round|Natural|GIA

0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3455627117

Certificate GIA 3455627117

Diamond specifications and retailer prices

From $417 AUD
As of November 6, 2026
Save $584 AUD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,001 AUD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 3455627117. Listed at 4 retailers as of November 5, 2026, with prices from $417 to $1,001, a $584 spread on the same certified stone. 77 Diamonds lists it at $1,001. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3455627117
Dimensions5.22 × 5.25 × 3.26 mm
L/W Ratio1.01
Top View
5.22 mm5.25 mm0.55 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3455627117
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $1,001 AUD|Low: $417 AUD|High: $1,017 AUD|Avg: $790 AUD|-0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$417 AUD
Retailer 4$800 AUD
Retailer 3$927 AUD
77 Diamonds$1,001 AUD

45 data points across 4 retailers

4 retailers$417 AUD to $1,001 AUD

A
Cheapest Retailer
-
$417 AUD
B+
Retailer 2
-
$800 AUD
View
B+
Retailer 3
-
$927 AUD
View
Most Expensive
B+
77 Diamonds
RBCP8RUPKXZJ · Nov 5
$1,001 AUD
£552 GBP
View
3 more retailers have this diamond
Prices start from $417 AUDSave up to $584 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
$417 AUD