Unknown origin

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Showing 161–176 of 334 results

  • Rubellite

    Rubellite

    3,309 ct. | II/C
    GLA
    €1,300.00
  • Rubellite

    Rubellite

    3,332 ct. | III/D
    GLA
    €1,200.00
  • Rubellite

    Rubellite

    3,423 ct. | III/C
    GLA
    €1,300.00
  • Rubellite

    Rubellite

    3,691 ct. | II/C
    GLA
    €1,250.00
  • Rubellite

    Rubellite

    3,713 ct. | III/C
    GLA
    €1,400.00
  • Rubellite

    Rubellite

    3,932 ct. | II/C
    GLA
    €1,500.00
  • Rubellite

    Rubellite

    1,773 ct. | III/D
    GLA
    €500.00
  • Rubellite

    Rubellite

    2,116 ct. | III/C
    GLA
    €500.00
  • Rubellite

    Rubellite

    2,055 ct. | III/C
    GLA
    €550.00
  • Rubellite

    Rubellite

    7,007 ct. | III/D
    GLA
    €3,300.00
  • Rubellite

    Rubellite

    8,295 ct. | II/D
    47142
    €4,800.00
  • Ruby

    Ruby

    3,672 ct. | IV/E
    GLA
    €31,500.00
  • Ruby

    Ruby

    2,017 ct. | III/E
    GLA
    €15,800.00
  • Ruby

    Ruby

    1,097 ct. | III/C
    GLA
    €9,000.00
  • Ruby

    Ruby

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

    Ruby

    2,536 ct. | V/D
    63539-1
    €13,500.00

Facts

attributes of a ruby

  • Belongs mineralogically to corundum
  • Hardness grade 9
  • Chemical formula: Al2O3
  • Includes only the color red
  • Colored by chromium oxide
  • High density of 3.9 - 4.1

origin

worth knowing

  • Oldest known locality: Burma
  • Was exchanged for emeralds by maharajas
  • The color red is equated with power
  • Assigned to the planet Mars
  • Increases the assertiveness
  • The location Mozambique was discovered only in 2007/08

ruby as investment

  • Highest suitability of all gemstones
  • Rare, strongly increasing in value
  • Stones should have a weight of at least 1 ct
  • Larger stones have higher increase in value
  • Experts reckon with 8% increase in value per year
  • Beautifully sparkling rubies are preferable
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