Untreated

Your gemstone search

Showing 257–272 of 446 results

  • 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
  • Ruby

    Ruby

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

    Ruby

    3,069 ct. | IV/E
    GLA GÜB
    €30,000.00
  • Ruby

    Ruby

    4,187 ct. | III/F
    GLA SSEF
    €35,000.00
  • Ruby

    Ruby

    10,071 ct. | II
    GLA
    €Price on request
  • Ruby

    Ruby

    6,179 ct. | V/C
    GLA
    €Price on request
  • Ruby

    Ruby

    4,598 ct. | V/D
    GLA
    €Price on request
  • Ruby

    Ruby

    3,024 ct. | V/C
    GLA
    €Price on request
  • Ruby

    Ruby

    6,128 ct. | II/C
    GLA
    €Price on request
  • Ruby

    Ruby

    3,915 ct. | V/C
    GLA
    €Price on request
  • Ruby

    Ruby

    5,449 ct. | VI/D
    GLA
    €18,300.00
  • Ruby

    Ruby

    5,670 ct. | VI/D
    GLA
    €19,000.00
  • Ruby

    Ruby

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

    Ruby

    1,070 ct. | IV/C
    GLA
    €7,200.00

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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