Cushion

Your gemstone search

  • Alexandrite

    Alexandrite

    1,272 ct. | VII/C
    GLA
    €1,500.00
  • Alexandrite

    Alexandrite

    1,423 ct. | VII/D
    GLA LGL
    €1,800.00
  • Aquamarine

    Aquamarine

    3,903 ct. | V/A
    GLA
    €1,100.00
  • Aquamarine

    Aquamarine

    3,397 ct. | V/B
    GLA
    €1,000.00
  • Aquamarine

    Aquamarine

    4,418 ct. | V/A
    GLA
    €1,500.00
  • Bastnäsite

    Bastnäsite

    3,878 ct. | IV/D
    GLA
    €1,000.00
  • Bastnäsite

    Bastnäsite

    2,78 ct. | IV/C
    GLA
    €600.00
  • Blue Sapphire

    Blue Sapphire

    11,069 ct. | V/D
    GLA GÜB CGL
    €47,500.00
  • Blue Sapphire

    Blue Sapphire

    12,657 ct. | V/C
    GLA GÜB CGL
    €53,000.00
  • Blue Sapphire

    Blue Sapphire

    5,072 ct. | II/C
    GLA GÜB GII
    €66,000.00
  • Blue Sapphire

    Blue Sapphire

    9,528 ct. | V/D
    GLA GÜB CGL
    €33,000.00
  • Blue Sapphire

    Blue Sapphire

    7,727 ct. | V/D
    GLA GÜB CGL
    €27,500.00
  • Blue Sapphire

    Blue Sapphire

    19,337 ct. | VI/E
    GLA GÜB CGL
    €44,000.00
  • Blue Sapphire

    Blue Sapphire

    5,548 ct. | IV/E
    GLA GÜB CGL
    €27,000.00
  • Blue Sapphire

    Blue Sapphire

    1,625 ct. | VI/D
    GLA LGL
    €1,300.00
  • Blue Sapphire

    Blue Sapphire

    0,996 ct. | VI/C
    GLA LGL
    €600.00

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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