Cushion

Your gemstone search

  • Alexandrite

    Alexandrite

    1,272 ct. | VII/C
    GLA
    S$2,161.62
  • Alexandrite

    Alexandrite

    1,423 ct. | VII/D
    GLA LGL
    S$2,593.95
  • Alexandrite

    Alexandrite

    1,733 ct. | VIII/D
    GLA LGL
    S$3,458.59
  • Amethyst

    Amethyst

    47,394 ct. | VI/B
    GLA
    S$1,296.97
  • Amethyst

    Amethyst

    53,907 ct. | IV/A
    GLA
    S$1,873.41
  • Aquamarine

    Aquamarine

    3,903 ct. | V/A
    GLA
    S$1,585.19
  • Aquamarine

    Aquamarine

    3,397 ct. | V/B
    GLA
    S$1,441.08
  • Aquamarine

    Aquamarine

    4,418 ct. | V/A
    GLA
    S$2,161.62
  • Bastnäsite

    Bastnäsite

    2,78 ct. | IV/C
    GLA
    S$864.65
  • Bastnäsite

    Bastnäsite

    3,878 ct. | IV/D
    GLA
    S$1,441.08
  • Blue Sapphire

    Blue Sapphire

    2,081 ct. | II/D
    GLA
    S$15,131.35
  • Blue Sapphire

    Blue Sapphire

    6,101 ct. | V/C
    GLA
    S$27,380.54
  • Blue Sapphire

    Blue Sapphire

    1,016 ct. | V/D
    GLA DIV
    S$1,152.86
  • Blue Sapphire

    Blue Sapphire

    5,548 ct. | IV/E
    GLA GÜB CGL
    S$38,909.19
  • Blue Sapphire

    Blue Sapphire

    1,625 ct. | VI/D
    GLA LGL
    S$1,873.41
  • Blue Sapphire

    Blue Sapphire

    1,312 ct. | VII/D
    GLA LGL
    S$864.65

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
close
[cleverreach form=219969]