Yellow

Among the yellow gems, the most searched for are sapphire and tourmaline. Yellow sapphire comes in a wide variety of shades, from light lemon yellow through honey to orange.

Your gemstone search

  • Ametrine

    Ametrine

    13,699 ct. | IV/B
    GLA
    S$720.54
  • Bastnäsite

    Bastnäsite

    3,764 ct. | V/D
    GLA
    S$720.54
  • Bastnäsite

    Bastnäsite

    4,586 ct. | IV/C
    GLA
    S$1,729.30
  • Sapphire

    Sapphire

    1,628 ct. | VII/C
    GLA
    S$864.65
  • Sapphire

    Sapphire

    16,213 ct. | III/C
    GLA
    S$95,111.35
  • Sapphire

    Sapphire

    19,959 ct. | II/E
    GLA
    S$69,171.89
  • Sapphire

    Sapphire

    1,034 ct. | VI/C
    GLA
    S$720.54
  • Sapphire

    Sapphire

    1,257 ct. | VII/B
    GLA
    S$720.54
  • Tourmaline

    Tourmaline

    9,824 ct. | IV/A
    GLA
    S$3,602.70
  • Tourmaline

    Tourmaline

    2,582 ct. | V/B
    GLA
    S$864.65

Facts

properties of tourmaline

  • Separate mineralogical group with many varieties
  • Hardness grade 7 - 7,5
  • Chemical formula: XY3Z6(T6O18)(BO3)3V3W(V, W, X, Y, Z stand for different possible elements)
  • Includes all colors
  • Colored by different metal oxides
  • Specific gravity 2.8 - 3.3 g/cm3

origin

  • Brasilia
  • Madagascar
  • Pakistan
  • Various locations in Europe
  • Mozambique
  • Namibia
  • Nigeria

worth knowing

  • Oldest known locality in modern trade: Brazil
  • Occurs in all colors
  • Forms beautiful crystals with very good crystal endings
  • Various esoteric and healing meanings
  • Also large crystals and large cut stones possible
  • The locality Pakistan was discovered only around 2010

investment in tourmaline

  • Still undervalued compared to other gemstones.
  • Exception: the Paraiba tourmaline, which can be more expensive than sapphire
  • Stones should be at least 5 ct in weight, except for Paraiba
  • Larger stones have higher appreciation
  • Experts calculate 6 - 8% increase in value per year
  • Beautiful, pure stones with clear colors are preferable
close
[cleverreach form=219969]