Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6555731928

Certificate GIA 6555731928

Diamond specifications and retailer prices

From €464 EUR
As of November 5, 2026
Save €1,524 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,988 EUR 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 6555731928. Listed at 21 retailers as of November 4, 2026, with prices from €464 to €1,988, a €1,524 spread on the same certified stone. NZ Jewellers lists it at €1,988. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555731928
Dimensions5.18 × 5.20 × 3.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.18 mm5.20 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555731928
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €1,988 EUR|Low: €464 EUR|High: €2,047 EUR|Avg: €854 EUR|-2.9%
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
Retailer 19
November 6, 2026
Retailer 19€464 EUR
Retailer 13€527 EUR
Retailer 9€585 EUR
Retailer 2€594 EUR
Retailer 3€615 EUR
Retailer 11€618 EUR
Retailer 5€627 EUR
Retailer 8€634 EUR
Retailer 14€651 EUR
Retailer 7€658 EUR
Retailer 18€717 EUR
Retailer 12€756 EUR
Retailer 15€763 EUR
Retailer 6€777 EUR
Retailer 16€836 EUR
Retailer 10€893 EUR
Retailer 4€1,463 EUR
Retailer 17€1,804 EUR
NZ Jewellers€1,988 EUR

20 data points across 19 retailers

21 retailers€464 EUR to €1,988 EUR

A
Cheapest Retailer
-
€464 EUR
A
Retailer 2
-
€527 EUR
View
A
Retailer 3
-
€585 EUR
View
Final sale: no returns
A
Retailer 4
-
€594 EUR
View
A
Retailer 5
-
€615 EUR
View
Retailer 6
-
€618 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
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€627 EUR
View
A
Retailer 8
-
€634 EUR
View
A
Retailer 9
-
€651 EUR
View
A
Retailer 10
-
€658 EUR
View
Retailer 11
-
€672 EUR
View
Price last confirmed 118 days ago
Retailer 12
-
€688 EUR
View
Price last confirmed 21 days ago
A
Retailer 13
-
€717 EUR
View
A
Retailer 14
-
€756 EUR
View
A
Retailer 15
-
€763 EUR
View
A
Retailer 16
-
€777 EUR
View
B+
Retailer 17
-
€836 EUR
View
B+
Retailer 18
-
€893 EUR
View
B
Retailer 19
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€1,463 EUR
View
B
Retailer 20
-
€1,804 EUR
View
Most Expensive
B
NZ Jewellers
b94884b0-2152-4354-9930-00b15adf1e95 · Nov 4
€1,988 EUR
$2,220 USD
View
20 more retailers have this diamond
Prices start from €464 EURSave up to €1,524 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
€464 EUR