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1.55ct J SI1 Round Natural Diamond

VG • J/SI1 • IGI 782656898

Shape and cutting style on the report: Round brilliant

Certificate IGI 782656898

Diamond specifications and retailer prices

From €2,571 EUR
As of November 3, 2026
Save €2,934 EUR (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €5,505 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 782656898. Listed at 6 retailers as of November 2, 2026, with prices from €2,571 to €5,505, a €2,934 spread on the same certified stone. NZ Jewellers lists it at €5,505. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 782656898
Dimensions7.12 × 7.22 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.12 mm7.22 mm1.55 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 782656898
Side View
Table 55.0%Crown 38.6°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 64.7%

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 3
Current: €5,505 EUR|Low: €2,519 EUR|High: €5,505 EUR|Avg: €3,269 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7€2,519 EUR
Retailer 6€2,571 EUR
Retailer 5€2,633 EUR
Retailer 8€2,732 EUR
Retailer 2€2,734 EUR
Retailer 9€3,023 EUR
Retailer 3€3,145 EUR
Retailer 4€4,403 EUR
NZ Jewellers€5,505 EUR

35 data points across 9 retailers

6 retailers€2,571 EUR to €5,505 EUR

A
Cheapest Retailer
-
€2,571 EUR
A
Retailer 2
-
€2,633 EUR
View
A
Retailer 3
-
€2,734 EUR
View
A
Retailer 4
-
€3,145 EUR
View
B+
Retailer 5
-
€4,403 EUR
View
Most Expensive
B
NZ Jewellers
8a05610d-8908-4f48-9e97-420500df7564 · Nov 2
€5,505 EUR
$6,146 USD
View
5 more retailers have this diamond
Prices start from €2,571 EURSave up to €2,934 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
1.55ct Round
€2,571 EUR