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Round|Natural|GIA

0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5556841738

Certificate GIA 5556841738

Diamond specifications and retailer prices

From €288 EUR
As of November 5, 2026
Save €199 EUR (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,150 EUR at NZ Jewellers · As of September 19, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556841738. Listed at 4 retailers as of November 5, 2026, with a 69% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5556841738
Dimensions5.22 × 5.25 × 3.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
5.22 mm5.25 mm0.55 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556841738
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €1,150 EUR|Low: €286 EUR|High: €1,150 EUR|Avg: €534 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4€288 EUR
Retailer 5€323 EUR
Retailer 2€377 EUR
Retailer 3€486 EUR
NZ Jewellers€1,150 EUR

44 data points across 5 retailers

4 retailers€288 EUR to €486 EUR

A
Cheapest Retailer
-
€288 EUR
A
Retailer 2
-
€377 EUR
View
A
Retailer 3
-
€486 EUR
View
Most Expensive
NZ Jewellers
bb0ec976-bb15-4219-9afb-06e6d6432ec8 · Sep 19
€1,150 EUR
$1,291 USD
View
Price last confirmed 47 days ago
3 more retailers have this diamond
Prices start from €288 EURSave up to €199 EUR

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
€288 EUR