Unknown origin

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Showing 65–80 of 333 results

  • Bluesaphhire

    Bluesaphhire

    1,612 ct. | V/C
    GLA
    €2,400.00
  • Bluesapphire

    Bluesapphire

    1,569 ct. | IV/C
    GLA
    €3,400.00
  • Bluesapphire

    Bluesapphire

    1,358 ct. | VI/C
    GLA
    €1,300.00
  • Chrome Tourmaline

    Chrome Tourmaline

    1,846 ct. | IV/D
    GLA
    €500.00
  • Chrome Tourmaline

    Chrome Tourmaline

    1,744 ct. | IV/C
    GLA
    €600.00
  • Chrome Tourmaline

    Chrome Tourmaline

    1,537 ct. | IV/C
    GLA
    €600.00
  • Chrome Tourmaline

    Chrome Tourmaline

    2,329 ct. | IV/D
    GLA
    €600.00
  • Chrome Tourmaline

    Chrome Tourmaline

    2,573 ct. | IV/D
    GLA
    €650.00
  • Chrome Tourmaline

    Chrome Tourmaline

    1,829 ct. | III/C
    GLA
    €800.00
  • Chrome Tourmaline

    Chrome Tourmaline

    2,757 ct. | IV/D
    GLA
    €800.00
  • Chrome Tourmaline

    Chrome Tourmaline

    2,902 ct. | IV/D
    GLA
    €800.00
  • Chrome Tourmaline

    Chrome Tourmaline

    2,753 ct. | IV/C
    GLA
    €900.00
  • Chrome Tourmaline

    Chrome Tourmaline

    3,581 ct. | IV/C
    GLA
    €1,200.00
  • Color Change Sapphire

    Color Change Sapphire

    10,541 ct. | V/D
    GLA GÜB CGL
    €63,000.00
  • Color Change Sapphire

    Color Change Sapphire

    1,036 ct. | IV/D
    64718
    €1,700.00
  • Color Change Sapphire

    Color Change Sapphire

    1,034 ct. | V/C
    64721
    €1,400.00

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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