Gemstone Online Shop

Buy untreated, natural colored, investment-grade gemstones in our online store. All our gemstones available for purchase are accompanied by certificates from internationally recognized gemological institutes.

You can easily buy our gems directly online, or submit inquiries regarding specific stones.

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The photos presented here by The Natural Gem show each gemstone as it is. The photos are not post-processed, color changed and the gemstones are not optically optimized in their purity.

Showing 161–176 of 639 results

  • Emerald

    Emerald

    2,474 ct. | III/D
    49062
    €16,500.00
  • Emerald

    Emerald

    1,730 ct. | IV/F
    47348
    €2,200.00
  • Emerald

    Emerald

    3,553 ct. | VI/E
    64876
    €3,900.00
  • Emerald

    Emerald

    1,746 ct. | IV/D
    63352
    €6,700.00
  • Emerald

    Emerald

    2,054 ct. | IV/D
    63012
    €6,700.00
  • Emerald

    Emerald

    3,389 ct. | I/D
    52807-2
    €41,000.00
  • Emerald

    Emerald

    2,950 ct. | I/C
    51827-2
    €42,000.00
  • Emerald pair

    Emerald pair

    7,952 ct. | II/D
    GLA
    €Price on request
  • Emerald pair

    Emerald pair

    13,333 ct. | III/D
    GLA
    €Price on request
  • Emerald pair

    Emerald pair

    12,237 ct. | II/C
    GLA
    €Price on request
  • Hessonite

    Hessonite

    21,087 ct. | IV/D
    GLA NGL
    €1,300.00
  • Hessonite

    Hessonite

    39,936 ct. | III/C
    GLA
    €6,000.00
  • Indicolite

    Indicolite

    3,077 ct. | IV/C
    GLA
    €800.00
  • Indigolite

    Indigolite

    11,289 ct. | V/C
    GLA
    €8,000.00
  • Indigolite

    Indigolite

    42,714 ct. | IV/A
    GLA
    €30,000.00
  • Indigolite

    Indigolite

    6,488 ct. | VI/A
    GLA
    €1,300.00

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
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