Results in Natural GIA Loose Diamonds & Gemstones

1-25 of 242

  • #10 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 15x4mm

    #10 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 15x4mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £37.32
    From Australia
    Was: Previous price£41.47
    Available for Best Offeror Best Offer
    £3.50 postage
  • NATURAL Untreated Ceylon Blue Sapphire 0.72ct GIA CERTIFIED Cushion Sri Lankan

    NATURAL Untreated Ceylon Blue Sapphire 0.72ct GIA CERTIFIED Cushion Sri Lankan

    An untreated blue sapphire with colour, clarity and Sri Lankan origin like this makes this a very rare and valuable gemstone. This stone is totally untreated and unheated which is very rare for sapphires.
    £280.00
    Available for Best Offeror Best Offer
    £1.50 postage
  • Amethyst genuine gemstone Tree of Life pendant NECKLAce New silver pla Christmas

    Amethyst genuine gemstone Tree of Life pendant NECKLAce New silver pla Christmas

    Made with genuine gemstones Amethyst nuggets The wire is silver plated copper with an e-coating for sensitive skin. Tree of Life ' Pendant. All handmade, can be worn as a pendant or hang in window.
    £20.00
    0 bids
    £2.00 postage
    Ending 15 Dec at 8:26PM GMT
  • 3 cts Tsavorite Garnet - Chrome Green - VVS - GIA certified  (rare)

    3 cts Tsavorite Garnet - Chrome Green - VVS - GIA certified (rare)

    Tsavorite garnet is one of my favourite gemstones and it is considered to be the most desirable of all garnets. Great quality rough is depleting fast though and we may soon have a situation where, like Kenya, larger stones are almost impossible to source.
    £3,000.00
    £25.00 postage
  •  CERTIFIED DIAMOND WHITE CEYLON SAPPHIRE 0.92CTS OVAL GREAT LUSTER/FIRE.

    CERTIFIED DIAMOND WHITE CEYLON SAPPHIRE 0.92CTS OVAL GREAT LUSTER/FIRE.

    COLOR: DIAMOND WHITE. GEMSTONE: SAPPHIRE 100% EARTH MINED. CUT: OVAL MIX. LUSTER: DAZZLING.
    £150.00
    Available for Best Offeror Best Offer
    £8.00 postage
  • RARE CERTIFIED UNHEATED CEYLON SAPPHIRE PURPLE/PINK 0.80CTS OVAL GREAT LUSTER.

    RARE CERTIFIED UNHEATED CEYLON SAPPHIRE PURPLE/PINK 0.80CTS OVAL GREAT LUSTER.

    GEMSTONE: UNHEATED SAPPHIRE 100% EARTH MINED. COLOR: PINKY PURPLE. CUT: OVAL MIX. LUSTER: DAZZLING.
    £150.00
    Available for Best Offeror Best Offer
    £8.00 postage
  • #4 Australian Natural Solid Crystal Opal Stone For Pendant Ring Earring 12x6mm

    #4 Australian Natural Solid Crystal Opal Stone For Pendant Ring Earring 12x6mm

    Crystal opals are a more widely found across the various Australian opal fields. Crystal opals are characterised by their transparency. If you hold a crystal opal up to the light you will see that the light passes through the stone.
    £21.32
    From Australia
    Was: Previous price£23.69
    Available for Best Offeror Best Offer
    £3.50 postage
  • #14 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 13x4mm

    #14 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 13x4mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £37.32
    From Australia
    Was: Previous price£41.47
    Available for Best Offeror Best Offer
    £3.50 postage
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  • RARE CERTIFIED UNHEATED BLUE CEYLON SAPPHIRE 0.48CTS LOVELY LUSTER/FIRE TRILLION

    RARE CERTIFIED UNHEATED BLUE CEYLON SAPPHIRE 0.48CTS LOVELY LUSTER/FIRE TRILLION

    GEMSTONE: UNHEATED SAPPHIRE 100% EARTH MINED. COLOR: BLUE. CUT: TRILLION. LUSTER: DAZZLING.
    £350.00
    Available for Best Offeror Best Offer
    £8.00 postage
  •  CERTIFIED PINK PEAR CUT  CEYLON SAPPHIRE 0.75CTS ..

    CERTIFIED PINK PEAR CUT CEYLON SAPPHIRE 0.75CTS ..

    CUT: PEAR. COLOR: PINK. GEMSTONE: SAPPHIRE 100% EARTH MINED. CLARITY: EYE CLEAN.
    £150.00
    Available for Best Offeror Best Offer
    £8.00 postage
  • #16 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 12x6mm

    #16 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 12x6mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £37.32
    From Australia
    Was: Previous price£41.47
    Available for Best Offeror Best Offer
    £3.50 postage
  • #20 Genuine Pair Australian Natural Solid Black Opal Stones For Earring 9x4 mm

    #20 Genuine Pair Australian Natural Solid Black Opal Stones For Earring 9x4 mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £37.32
    From Australia
    Was: Previous price£41.47
    Available for Best Offeror Best Offer
    £3.50 postage
  • GIA CERTIFIED 3.59 Cts Blue Africa Sapphire VS Oval Facet !!

    GIA CERTIFIED 3.59 Cts Blue Africa Sapphire VS Oval Facet !!

    Shape Oval Facet. Product Sapphire. VS : Minor inclusions are difficult to see under 10 x magnification. Clarity VS. Colour Blue. Origin Africa. Send us your phone number an we will call you back as soon as possible.
    £950.00
    From Germany
    Available for Best Offeror Best Offer
    Free P&P
  • RARE CERTIFIED UNHEATED CEYLON SAPPHIRE 1.06 CTS LIGHT GREEN.

    RARE CERTIFIED UNHEATED CEYLON SAPPHIRE 1.06 CTS LIGHT GREEN.

    COLOR: LIGHT GREEN. GEMSTONE: UNHEATED SAPPHIRE 100% EARTH MINED. CT WEIGHT: 1.06 CTS. TREATMENT: NO TREATMENT UNHEATED.
    £200.00
    Available for Best Offeror Best Offer
    £8.00 postage
  • 11.77-Carat Natural & Untreated Fiery Blue Sapphire from Ceylon (GIA-Certified)

    11.77-Carat Natural & Untreated Fiery Blue Sapphire from Ceylon (GIA-Certified)

    Gemstone : Natural Sapphire Color : Fiery Blue with a Slight Violetish Hue. Exotic Gemstones.All Natural & Untreated. Size: 13.95 x 10.12 x 9.69 mm Treatment: None (Natural & Untreated). Weight: 11.77 Carats Hardness: 9(Mohs Scale).
    £12,359.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • Excellent GIA Certified 2.54 Carat Fancy Yellow Orange Transparent Sapphire!!

    Excellent GIA Certified 2.54 Carat Fancy Yellow Orange Transparent Sapphire!!

    A GIA Certified 2.54 Carat Cushion Cut Fancy Yellow Orange Sapphire. Transparent, Slightly Included, Displaying Exceptional Lustre, The Cut Is Very Good/Excellent. Standard Heat Treatment Has Been Observed.
    £1,350.00
    Available for Best Offeror Best Offer
    FAST & FREE
  • 4.03-Carat Unheated Eye-Clean Intense Blue Cushion-Cut Ceylon Sapphire (GIA)

    4.03-Carat Unheated Eye-Clean Intense Blue Cushion-Cut Ceylon Sapphire (GIA)

    Gemstone : Natural Sapphire Color : Intense Blue. Shape: Cushion Remarks: Free GIA Certificate (See Below). Weight: 4.03 Carats Hardness: 9(Mohs Scale). Pcs: 1 Origin: Ceylon (Sri Lanka). Stone ID : A10769 Clarity: SI1, Eye-Clean.
    £1,962.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 0.87-Carat Natural & Unheated 5mm Round Kashmir Sapphire (GIA-Certified)

    0.87-Carat Natural & Unheated 5mm Round Kashmir Sapphire (GIA-Certified)

    Gemstone : Natural Sapphire Color : Very Light Blue. Shape: Round Remarks: Free GIA Certificates (See Below). Weight: 0.87 Carats Hardness: 9(Mohs Scale). Exotic Gemstones.All Natural & Untreated. Pcs: 1 Origin: Kashmir (India).
    £833.00
    From India
    Free P&P
  • #27 Genuine Australian Natural Solid Black Opal Stone For Ring Pendant 13x6mm

    #27 Genuine Australian Natural Solid Black Opal Stone For Ring Pendant 13x6mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £31.99
    From Australia
    Was: Previous price£35.54
    Available for Best Offeror Best Offer
    £3.50 postage
  • #18 Australian Natural Solid Crystal Opal Stone For Pendant Ring Earring 10x5mm

    #18 Australian Natural Solid Crystal Opal Stone For Pendant Ring Earring 10x5mm

    Crystal opals are a more widely found across the various Australian opal fields. Crystal opals are characterised by their transparency. If you hold a crystal opal up to the light you will see that the light passes through the stone.
    £21.32
    From Australia
    Was: Previous price£23.69
    Available for Best Offeror Best Offer
    £3.50 postage
  • 3.07-Carat Unheated VS-Clarity Lustrous Pastel Blue Round-Cut Sapphire (GIA)

    3.07-Carat Unheated VS-Clarity Lustrous Pastel Blue Round-Cut Sapphire (GIA)

    Shape: Round Remarks: Free GIA Certificate (See Below). Stone ID : A10642 Clarity: VS1, Near Loupe Clean. Weight: 3.07 Carats Hardness: 9(Mohs Scale). Clarity Scale. VS: Very Slight Inclusions. Cutting: Faceted.
    £1,773.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • 8.00-Carat GIA-Certified Unheated Bright Yellow Sapphire from Ceylon

    8.00-Carat GIA-Certified Unheated Bright Yellow Sapphire from Ceylon

    Gemstone : Natural Sapphire Color : Bright Yellow. Pcs: 1 Origin: Ceylon (Sri Lanka). Shape: Oval Remarks: Free GIA Certificate (See Below). Weight: 8.00 Carats Hardness: 9(Mohs Scale). The certificate clearly mentions the carat weight, measurements, etc along with the confirmation that the gemstone is unheated / untreated.
    £1,967.00
    From India
    Free P&P
  • 1.08-Carat Pair of VVS-Clarity Oval-Cut Royal Blue Sapphires (Unheated)

    1.08-Carat Pair of VVS-Clarity Oval-Cut Royal Blue Sapphires (Unheated)

    Pcs: 2 Color : Deep Intense Royal Blue. Total Carat Weight: 1.08 Carats Origin: Nigeria. Gemstone : Natural Sapphire's Clarity: VVS2, Loupe-Clean. Shape: Oval. Clarity Scale. VVS: Very, Very Slight Inclusions.
    £1,229.00
    From India
    Available for Best Offeror Best Offer
    Free P&P
  • #28 Australian Solid Natural Black Opal Stones For Opal Earring Set 1.165cts

    #28 Australian Solid Natural Black Opal Stones For Opal Earring Set 1.165cts

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £42.12
    From Australia
    Was: Previous price£46.80
    Available for Best Offeror Best Offer
    £3.50 postage
  • 5.24-Carat GIA-Certified Unheated Oval-Cut Light Yellow Sapphire from Ceylon

    5.24-Carat GIA-Certified Unheated Oval-Cut Light Yellow Sapphire from Ceylon

    Gemstone : Natural Sapphire Color : Light Yellow. Shape: Oval Remarks: Free GIA Certificate (See Below). Pcs: 1 Origin: Ceylon (Sri Lanka). Weight: 5.24 Carats Hardness: 9(Mohs Scale). Cutting: Faceted.
    £1,383.00
    From India
    Free P&P

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