Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2308949230

Certificate GIA 2308949230

Diamond specifications and retailer prices

From €322 EUR
As of November 6, 2026
Save €1,146 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,469 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2308949230. Listed at 15 retailers as of November 4, 2026, with prices from €322 to €1,469, a €1,146 spread on the same certified stone. NZ Jewellers lists it at €1,469. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2308949230
Dimensions5.24 × 5.27 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.24 mm5.27 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2308949230
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,469 EUR|Low: €322 EUR|High: €1,469 EUR|Avg: €634 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
Retailer 14
November 6, 2026
Retailer 6€322 EUR
Retailer 2€342 EUR
Retailer 13€468 EUR
Retailer 12€504 EUR
Retailer 14€504 EUR
Retailer 4€540 EUR
Retailer 5€540 EUR
Retailer 7€579 EUR
Retailer 8€630 EUR
Retailer 11€649 EUR
Retailer 3€655 EUR
Retailer 9€726 EUR
Retailer 10€1,080 EUR
NZ Jewellers€1,469 EUR

33 data points across 14 retailers

15 retailers€322 EUR to €1,469 EUR

A
Cheapest Retailer
-
€322 EUR
Final sale: no returns
A
Retailer 2
-
€342 EUR
View
A
Retailer 3
-
€468 EUR
View
Retailer 4
-
€504 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€504 EUR
View
B+
Retailer 6
-
€540 EUR
View
B+
Retailer 7
-
€540 EUR
View
B+
Retailer 8
-
€579 EUR
View
B+
Retailer 9
-
€630 EUR
View
B
Retailer 10
-
€649 EUR
View
B+
Retailer 11
-
€655 EUR
View
B+
Retailer 12
-
€726 EUR
View
Retailer 13
-
€731 EUR
View
Price last confirmed 33 days ago
B
Retailer 14
-
€1,080 EUR
View
Most Expensive
B
NZ Jewellers
8cfbbe36-69f1-4f47-a42c-a4d6403e2c2e · Nov 4
€1,469 EUR
$1,640 USD
View
14 more retailers have this diamond
Prices start from €322 EURSave up to €1,146 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
€322 EUR