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Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556999425

Certificate GIA 2556999425

Diamond specifications and retailer prices

From €383 EUR
₹40,739 INR
As of November 1, 2026
Save €1,247 EUR (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,630 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556999425. Listed at 16 retailers as of October 30, 2026, with prices from €383 to €1,630, a €1,247 spread on the same certified stone. NZ Jewellers lists it at €1,630. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556999425
Dimensions5.22 × 5.26 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.22 mm5.26 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556999425
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 1
Current: €1,630 EUR|Low: €326 EUR|High: €1,630 EUR|Avg: €744 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3€383 EUR
Retailer 6€479 EUR
Retailer 9€520 EUR
Retailer 7€559 EUR
Retailer 8€600 EUR
Retailer 2€641 EUR
Retailer 4€694 EUR
Retailer 5€1,200 EUR
NZ Jewellers€1,630 EUR

41 data points across 9 retailers

16 retailers€383 EUR to €1,630 EUR

A
Cheapest Retailer
-
€383 EUR
₹40,739 INR
A
Retailer 2
-
€479 EUR
$535 USD
View
Final sale: no returns
Retailer 3
-
€520 EUR
$581 USD
View
Price last confirmed 39 days ago
Retailer 4
-
€520 EUR
$581 USD
View
Price last confirmed 55 days ago
B+
Retailer 5
-
€520 EUR
$581 USD
View
B+
Retailer 6
-
€539 EUR
SGD 813 SGD
View
B+
Retailer 7
-
€559 EUR
$625 USD
View
Retailer 8
-
€600 EUR
$670 USD
View
Price last confirmed 56 days ago
Retailer 9
-
€600 EUR
$670 USD
View
Price last confirmed 41 days ago
B+
Retailer 10
-
€600 EUR
$670 USD
View
B+
Retailer 11
-
€641 EUR
£564 GBP
View
B+
Retailer 12
-
€694 EUR
View
B
Retailer 13
-
€1,200 EUR
£1,056 GBP
View
Retailer 14
-
€1,630 EUR
$1,821 USD
View
Price last confirmed 41 days ago
Retailer 15
-
€1,630 EUR
$1,821 USD
View
Price last confirmed 64 days ago
Most Expensive
B
NZ Jewellers
bbb91b0d-06a8-4b1f-942b-677ca9ea70bc · Oct 30
€1,630 EUR
$1,821 USD
View
15 more retailers have this diamond
Prices start from €383 EURSave up to €1,247 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
€383 EUR