Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2558429609

Certificate GIA 2558429609

Diamond specifications and retailer prices

From €514 EUR
HK$4,500 HKD
As of October 30, 2026
Save €1,377 EUR (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,891 EUR at NZ Jewellers · As of October 30, 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 2558429609. Listed at 17 retailers as of October 30, 2026, with prices from €514 to €1,891, a €1,377 spread on the same certified stone. NZ Jewellers lists it at €1,891. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558429609
Dimensions5.22 × 5.24 × 3.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.22 mm5.24 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2558429609
Side View
Table 55.0%Crown 36.5°Girdle: MED-MEDPavilion 40.6°Culet: NoneDepth 63.0%

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: Oct 30
Current: €1,891 EUR|Low: €456 EUR|High: €1,970 EUR|Avg: €834 EUR|-4.0%
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
October 31, 2026
Retailer 6€457 EUR
Retailer 7€514 EUR
Retailer 18€556 EUR
Retailer 9€566 EUR
Retailer 16€581 EUR
Retailer 17€603 EUR
Retailer 4€626 EUR
Retailer 5€632 EUR
Retailer 13€695 EUR
Retailer 3€719 EUR
Retailer 2€747 EUR
Retailer 8€756 EUR
Retailer 11€783 EUR
Retailer 10€844 EUR
Retailer 15€848 EUR
Retailer 12€1,401 EUR
Retailer 14€1,749 EUR
NZ Jewellers€1,891 EUR

20 data points across 18 retailers

17 retailers€514 EUR to €1,891 EUR

Retailer 1
-
€457 EUR
₹48,793 INR
Price last confirmed 13 days ago
A
Retailer 2
-
€514 EUR
HK$4,500 HKD
View
Retailer 3
-
€566 EUR
$635 USD
View
Price last confirmed 16 days ago
Retailer 4
-
€581 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€603 EUR
$676 USD
View
Retailer 6
-
€614 EUR
$689 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€626 EUR
$702 USD
View
Retailer 8
-
€632 EUR
SGD 958 SGD
View
Price last confirmed 7 days ago
Retailer 9
-
€695 EUR
$780 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
€719 EUR
£635 GBP
View
A
Retailer 11
-
€747 EUR
£660 GBP
View
Retailer 12
-
€756 EUR
$848 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
€783 EUR
£691 GBP
View
Retailer 14
-
€848 EUR
$951 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
€1,401 EUR
£1,237 GBP
View
B
Retailer 16
-
€1,749 EUR
CA$2,724 CAD
View
Most Expensive
B
NZ Jewellers
89fb8d2a-2d2e-46c3-a3c2-19dd40e56512 · Oct 30
€1,891 EUR
$2,121 USD
View
16 more retailers have this diamond
Prices start from €514 EURSave up to €1,377 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
€514 EUR