Unknown origin

Your gemstone search

Showing 193–208 of 342 results

  • Sapphire

    Sapphire

    16,213 ct. | III/C
    GLA
    €66,000.00
  • Sapphire

    Sapphire

    806 ct. | VI/C
    GLA
    €500.00
  • Sapphire

    Sapphire

    1,133 ct. | VII/C
    GLA
    €600.00
  • Sapphire

    Sapphire

    1,476 ct. | VII/C
    GLA
    €650.00
  • Sapphire

    Sapphire

    4,012 ct. | VI/C
    GLA
    €4,400.00
  • Sapphire

    Sapphire

    1,148 ct. | VI/C
    GLA
    €850.00
  • Sapphire

    Sapphire

    1,653 ct. | V/C
    GLA
    €900.00
  • Sapphire

    Sapphire

    1,152 ct. | V/C
    GLA
    €1,400.00
  • Sapphire

    Sapphire

    1,167 ct. | V/C
    GLA
    €1,600.00
  • Sapphire

    Sapphire

    3,748 ct. | VIII/D
    GLA
    €2,300.00
  • Sapphire

    Sapphire

    1,774 ct. | VI/D
    GLA
    €1,000.00
  • Sapphire

    Sapphire

    2,166 ct. | V/D
    64531
    €1,900.00
  • Sapphire

    Sapphire

    1,913 ct. | VI/C
    64530
    €1,500.00
  • Sapphire

    Sapphire

    1,980 ct. | VIII/C
    64529
    €1,000.00
  • Sapphire

    Sapphire

    1,497 ct. | III/C
    64528
    €1,400.00
  • Sapphire

    Sapphire

    1,107 ct. | IV/C
    64713
    €1,000.00

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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