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Blue Sapphire

Item Number: SAP-BLU-2021-46

€50.500,00

incl. VAT

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Details

Price:
50.500,00 €
Weight:
11,212 ct.
Color:
Blue
Shape:
Cushion
Dimensions:
13,61 mm x 12,85 mm x 7,04 mm
Color Quality:
good (IV)
Purity:
small inclusions (D)
Origin:
Sri Lanka
Treatment:
Untreated
Certificate:
GLA51874 GÜB CGL
Item Number:
SAP-BLU-2021-46

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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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