ANTIKOVAL

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  • Purplesapphire

    Purplesapphire

    3,099 ct. | VI/D
    GLA
    S$2,305.73
  • Purplesapphire

    Purplesapphire

    1,374 ct. | V/D
    GLA
    S$1,441.08
  • Purplesapphire

    Purplesapphire

    0,955 ct. | V/E
    GLA
    S$720.54
  • Purplesapphire

    Purplesapphire

    1,471 ct. | VI/D
    GLA
    S$1,441.08
  • Purplesapphire

    Purplesapphire

    4,452 ct. | VI/E
    GLA
    S$5,187.89

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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