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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6555218545

Certificate GIA 6555218545

Diamond specifications and retailer prices

From €457 EUR
As of November 6, 2026
Save €1,803 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,011 EUR at NZ Jewellers · As of November 2, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555218545. Listed at 14 retailers as of November 2, 2026, with a 395% 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555218545
Dimensions5.22 × 5.26 × 3.25 mm
L/W Ratio1.01
Top View
5.22 mm5.26 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555218545
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

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: €3,011 EUR|Low: €404 EUR|High: €3,011 EUR|Avg: €835 EUR
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
November 6, 2026
Retailer 2€457 EUR
Retailer 4€561 EUR
Retailer 5€716 EUR
Retailer 7€824 EUR
Retailer 6€907 EUR
Retailer 8€1,140 EUR
Retailer 3€1,235 EUR
Retailer 13€1,278 EUR
Retailer 10€1,292 EUR
Retailer 9€1,425 EUR
Retailer 11€1,638 EUR
Retailer 12€2,260 EUR
NZ Jewellers€3,011 EUR

39 data points across 13 retailers

14 retailers€457 EUR to €2,260 EUR

A
Cheapest Retailer
-
€457 EUR
A
Retailer 2
-
€561 EUR
View
A
Retailer 3
-
€588 EUR
View
A
Retailer 4
-
€716 EUR
View
A
Retailer 5
-
€824 EUR
View
B+
Retailer 6
-
€907 EUR
View
B
Retailer 7
-
€1,140 EUR
View
Final sale: no returns
B
Retailer 8
-
€1,235 EUR
View
B
Retailer 9
-
€1,278 EUR
View
B
Retailer 10
-
€1,292 EUR
View
B
Retailer 11
-
€1,425 EUR
View
B
Retailer 12
-
€1,638 EUR
View
B
Retailer 13
-
€2,260 EUR
View
Most Expensive
NZ Jewellers
139f609a-e160-479d-86c8-182dc5e62dd1 · Nov 2
€3,011 EUR
$3,380 USD
View
Price under review
13 more retailers have this diamond
Prices start from €457 EURSave up to €1,803 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
€457 EUR