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Showing 1–16 of 449 results

  • Alexandrite

    Alexandrite

    1,272 ct. | VII/C
    GLA
    €1,250.00
  • Alexandrite

    Alexandrite

    0,673 ct. | VIII/C
    GLA PGL
    €666.67
  • Alexandrite

    Alexandrite

    1,107 ct. | VIII/D
    GLA LGL
    €1,250.00
  • Alexandrite

    Alexandrite

    1,257 ct. | VIII/C
    GLA LGL
    €1,500.00
  • Alexandrite

    Alexandrite

    0,883 ct. | VI/D
    GLA LGL
    €1,333.33
  • Alexandrite

    Alexandrite

    1,597 ct. | VIII/D
    GLA LGL
    €2,166.67
  • Ametrine

    Ametrine

    10,176 ct. | IV/A
    GLA
    €416.67
  • Aquamarine Morganite Pair

    Aquamarine Morganite Pair

    27,541 ct. | V / VII/B / B
    GLA
    €7,000.00
  • Aquamarine pair

    Aquamarine pair

    6,767 ct. | V/A
    GLA
    €2,000.00
  • Bastnaesite

    Bastnaesite

    2,825 ct. | IV/D
    GLA
    €416.67
  • Beryl

    Beryl

    32,111 ct. | IV/D
    GLA
    €4,083.33
  • Beryl

    Beryl

    36,711 ct. | III/C
    GLA
    €5,833.33
  • Blue Sapphire

    Blue Sapphire

    6,626 ct. | IV/D
    GLA CGL
    €30,000.00
  • Blue Sapphire

    Blue Sapphire

    6,998 ct. | IV/D
    GLA CGL
    €10,166.67
  • Blue Sapphire

    Blue Sapphire

    10,093 ct. | V/D
    GLA CGL
    €25,000.00
  • Blue Sapphire

    Blue Sapphire

    11,069 ct. | V/D
    GLA GÜB CGL
    €39,583.33

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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