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Sapphire

Item Number: SAP-BLUVIO-2019-2

€1.600,00

incl. VAT

In stock

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Details

Price:
1.600,00 €
Weight:
3,188 ct.
Color:
violet-blue
Shape:
Oval
Dimensions:
8,3 mm x 7,42 mm x 5,27 mm
Color Quality:
medium (VII)
Purity:
small inclusions (D)
Origin:
Unknown origin
Treatment:
Untreated
Certificate:
GLA47934
Item Number:
SAP-BLUVIO-2019-2

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facts

properties of sapphire

  • Belongs mineralogically to corundum
  • Hardness grade 9
  • Chemical formula: Al2O3
  • Includes all colors except red, red corundum is called “ruby
  • Coloration generally by metal oxides (e.g. blue: titanium oxide)
  • High density of 3.9 – 4.1

origin

worth knowing

  • Oldest known locality: Burma
  • The legendary place of discovery: “Kashmir”
  • Assigned to the planet Saturn
  • Besides blue, pink sapphire is especially sought after: “hot pink”.
  • The most recently discovered localities are Madagascar and Ethiopia

investment in sapphire

  • second most suitable of all gemstones for investment
  • less rare than ruby but also strongly increasing in value
  • Stones should have at least 1 ct weight, better from 3 ct.
  • larger stones have higher increase in value
  • Experts reckon with 6% increase in value per year
  • beautiful sparkling sapphires are preferable

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