Antique oval

Your gemstone search

Showing 33–48 of 81 results

  • Ruby

    Ruby

    1,964 ct. | V/C
    GLA
    €14,000.00
  • Ruby

    Ruby

    1,412 ct. | IV/C
    GLA
    €10,700.00
  • Ruby

    Ruby

    1,515 ct. | IV/C
    GLA
    €12,500.00
  • Ruby

    Ruby

    1,545 ct. | IV/C
    GLA
    €9,700.00
  • Ruby

    Ruby

    1,584 ct. | IV/C
    GLA
    €10,500.00
  • Ruby

    Ruby

    5,464 ct. | VII/F
    GLA
    €8,600.00
  • Sapphire

    Sapphire

    9,141 ct. | VI/C
    GLA
    €30,500.00
  • Sapphire

    Sapphire

    11,212 ct. | IV/D
    GLA
    €59,000.00
  • Sapphire

    Sapphire

    16,498 ct. | V/D
    GLA
    €70,000.00
  • Sapphire

    Sapphire

    11,061 ct. | IV/D
    GLA
    €58,000.00
  • Sapphire

    Sapphire

    8,790 ct. | V/C
    GLA
    €39,500.00
  • Sapphire

    Sapphire

    8,568 ct. | IV/C
    GLA
    €45,000.00
  • Sapphire

    Sapphire

    6,946 ct. | V/C
    GLA
    €43,000.00
  • Sapphire

    Sapphire

    6,036 ct. | III/D
    GLA
    €46,000.00
  • Sapphire

    Sapphire

    7,544 ct. | IV/D
    GLA
    €40,000.00
  • Sapphire

    Sapphire

    19,736 ct. | V/E
    GLA
    €57,500.00

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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