Unknown origin

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Showing 49–64 of 333 results

  • Blue Sapphire

    Blue Sapphire

    1,552 ct. | VI/D
    GLA
    €800.00
  • Blue Sapphire

    Blue Sapphire

    1,162 ct. | VI/C
    GLA
    €1,000.00
  • Blue Sapphire

    Blue Sapphire

    1,052 ct. | VI/D
    GLA
    €700.00
  • Blue Sapphire

    Blue Sapphire

    1,117 ct. | VI/C
    GLA
    €700.00
  • Blue Sapphire

    Blue Sapphire

    1,990 ct. | VI/C
    GLA
    €2,600.00
  • Blue Sapphire

    Blue Sapphire

    7,585 ct. | VI/F
    GLA
    €6,000.00
  • Blue Sapphire

    Blue Sapphire

    1,597 ct. | V/D
    GLA
    €1,400.00
  • Blue Sapphire

    Blue Sapphire

    1,245 ct. | V/C
    GLA
    €1,600.00
  • Blue Sapphire

    Blue Sapphire

    1,689 ct. | IV/C
    GLA
    €3,000.00
  • Blue Sapphire

    Blue Sapphire

    1,652 ct. | V/B
    GLA
    €2,500.00
  • Blue Sapphire

    Blue Sapphire

    2,030 ct. | III/C
    61426-1
    €6,200.00
  • Blue Sapphire

    Blue Sapphire

    2,025 ct. | III/B
    61428-1
    €6,000.00
  • Blue Sapphire

    Blue Sapphire

    1,078 ct. | V/D
    64715
    €1,100.00
  • Blue Sapphire

    Blue Sapphire

    0,859 ct. | V/E
    64716
    €600.00
  • Blue Sapphire

    Blue Sapphire

    1,227 ct. | VI/D
    64719
    €800.00
  • Blue Sapphire

    Blue Sapphire

    1,026 ct. | V/C
    64720
    €1,500.00

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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