Results in Loose Diamonds and Gemstones

1-25 of 492,443

  • 9mm x 7mm Natural Amber Oval Cabochon Gem Gemstone

    9mm x 7mm Natural Amber Oval Cabochon Gem Gemstone

    9mm x 7mm OVAL CABOCHON. NATURAL AMBER GEMSTONE. Measurements: 9mm x 7mm Oval. Bead & Pearl Stringing Tools & Material. (Each amber gem will have different inclusions, we try to get ones with good clarity and the fewest visible inclusions).
    £1.39
    £1.49 postage
  • loose Natural Diamond 0.17ct  3.5mm champagne I2 round cut  loose gemstones

    loose Natural Diamond 0.17ct 3.5mm champagne I2 round cut loose gemstones

    Natural Diamond. all of our gemstones are graded according to GIA guidelines for clarity type for the stone being graded. Type III. C2 - Champagne. Tourmaline, green. Type I. Usually eye clean. Type II.
    £34.00
    eBay Premium Service
    FAST & FREE
    Click & Collect
  • 1.01ct Black Opal Cabochon 8.25x6.12mm Natural loose gemstone

    1.01ct Black Opal Cabochon 8.25x6.12mm Natural loose gemstone

    A Black Opal weighing 1.01 carats. Photos are taken using a penlight and demonstrate the full spectrum of colours this gem can display. As with most black opals it has most likely been smoked to improve the colour.
    £21.95
    eBay Premium Service
    Available for Best Offeror Best Offer
    Estimated delivery dateEst. delivery Tue, Dec 6
    FAST & FREE
    10 watching10 watching
  • NATURAL Blue Sapphire 1.03ct TOP GRADE Round Diamond Cut IGI CERTIFIED Untreated

    NATURAL Blue Sapphire 1.03ct TOP GRADE Round Diamond Cut IGI CERTIFIED Untreated

    Nearly all gem quality pink sapphires are at least heat treated to help improve colour and sometimes clarity. 100% Natural Sapphire with stunning bright blue colour. Fully certified by IGI in Antwerp, one of their best and most well equipped gem labs.
    £225.00
    Available for Best Offeror Best Offer
    £1.50 postage
  • 10 PIECES OF 3mm ROUND CABOCHON-CUT PURPLE NATURAL BRAZILIAN AMETHYST GEMSTONES

    10 PIECES OF 3mm ROUND CABOCHON-CUT PURPLE NATURAL BRAZILIAN AMETHYST GEMSTONES

    This is a set of ten pieces of round cabochon-cut, natural Brazilian Amethyst gemstones. They weigh 0.15cts (0.75cts total) and measure 3mm across each. Below are the technical details Size: 10 Pieces of 3 mm.
    £3.11
    Click & Collect
    £1.50 postage
  • 8mm x 6mm Natural Amber Oval Cabochon Gem Gemstone

    8mm x 6mm Natural Amber Oval Cabochon Gem Gemstone

    8mm x 6mm OVAL CABOCHON. NATURAL AMBER GEMSTONE. Measurements: 8mm x 6mm Oval. Bead & Pearl Stringing Tools & Material. (Each amber gem will have different inclusions, we try to get ones with good clarity and the fewest visible inclusions).
    £1.59
    £1.49 postage
  • Loose 0.11ct Natural Round Brilliant Cut Diamond D - VVS2 3.15mm Diameter

    Loose 0.11ct Natural Round Brilliant Cut Diamond D - VVS2 3.15mm Diameter

    From our new range of Loose Natural Diamonds. Round Cut. As with all the Diamonds we use in our jewellery we demand top quality stones and never knowingly buy from a conflict zone. Cut to the highest standard and perfection.
    £56.99
    Click & Collect
    FAST & FREE
  • NATURAL TOP AAA GOLDEN YELLOW CITRINE LOOSE GEMSTONE (7 x 5 mm) EMERALD-CUT

    NATURAL TOP AAA GOLDEN YELLOW CITRINE LOOSE GEMSTONE (7 x 5 mm) EMERALD-CUT

    Colour TOP GOLDEN YELLOW. Shape EMERALD CUT. Product Type NATURAL. Product Name CITRINE. Size 7 x 5 x 2.8/4.2 MM. Total Weight 1.00 CTS. Clarity TRANSPARENT/ CLEAN.
    £6.99
    eBay Premium Service
    Available for Best Offeror Best Offer
    Free P&P
  • 14mm x 7mm Natural Amber Oval Cabochon Gem Gemstone

    14mm x 7mm Natural Amber Oval Cabochon Gem Gemstone

    14mm x 7mm OVAL CABOCHON. NATURAL AMBER GEMSTONE. Measurements: 14mm x 7mm Oval. Bead & Pearl Stringing Tools & Material. (Each amber gem will have different inclusions, we try to get ones with good clarity and the fewest visible inclusions).
    £6.35
    £1.49 postage
  • 1.8mm real cut clear diamond loose gem gemstone in magnifying box

    1.8mm real cut clear diamond loose gem gemstone in magnifying box

    I am selling a clear cut diamond, 1.8mm in diameter. It is in a small, plastic magnifying box. I can't remember how many carats it is but I bought it from a jewellers. It really sparkles in the light. Sorry the photos aren't closer!
    £1.20
    2 bids
    £3.00 postage
    Ending Tuesday at 12:10AM GMT
  • 4 PIECES OF 5mm CUSHION CABOCHON-CUT NATURAL INDIAN RAINBOW MOONSTONES £1 NR!

    4 PIECES OF 5mm CUSHION CABOCHON-CUT NATURAL INDIAN RAINBOW MOONSTONES £1 NR!

    These are 4 pieces of unusual, cushion cabochon-cut, natural Indian rainbow Moonstone gems. They weigh 0.95cts (3.80cts total weight) and measure 10x8mm each. Below are the technical details Size: 4 Pieces of 5 mm.
    £0.99
    0 bids
    £1.50 postage
    Ending Today at 8:27PM GMT
  • Natural IGI CERTIFIED Emerald 1.24ct Loose Diamond Gem Zambia Emerald Cut

    Natural IGI CERTIFIED Emerald 1.24ct Loose Diamond Gem Zambia Emerald Cut

    Fully certified by IGI in Antwerp, one of their best and most well equipped gem labs. This emerald has an excellent cut with an ideal polish to show great shine and colour. Emeralds are typically highly included stones and so inclusions are to be expected, but this particular stone is clean for an emerald.
    £395.00
    Available for Best Offeror Best Offer
    £1.50 postage
  • 6mm x 4mm Natural Amber Oval Cabochon Gem Gemstone

    6mm x 4mm Natural Amber Oval Cabochon Gem Gemstone

    6mm x 4mm OVAL CABOCHON. NATURAL AMBER GEMSTONE. Measurements: 6mm x 4mm Oval. Bead & Pearl Stringing Tools & Material. (Each amber gem will have different inclusions, we try to get ones with good clarity and the fewest visible inclusions).
    £1.22
    £1.49 postage
  • Loose Natural 0.23ct Round Brilliant Cut Diamond E VVS2

    Loose Natural 0.23ct Round Brilliant Cut Diamond E VVS2

    It can often take me several 'testings' to get a correct diamond as a replacement as depth and girdle measurements sometimes need to be correct. All this doesn't matter so much if you are just investing.
    £259.00
    Available for Best Offeror Best Offer
    £7.00 postage
  • NATURAL LOVELY GREEN TSAVORITE GARNET LOOSE GEMSTONE (8.7mm) ROUND SHAPE

    NATURAL LOVELY GREEN TSAVORITE GARNET LOOSE GEMSTONE (8.7mm) ROUND SHAPE

    Shape ROUND CABOCHON. TSAVORITE GARNET. Colour GREEN. Product Type NATURAL. Clarity TRANSLUCENT / MODERATE.
    £20.99
    eBay Premium Service
    Available for Best Offeror Best Offer
    Free P&P
  • 5mm x 4mm Natural Amber Oval Cabochon Gem Gemstone

    5mm x 4mm Natural Amber Oval Cabochon Gem Gemstone

    5mm x 4mm OVAL CABOCHON. NATURAL AMBER GEMSTONE. Measurements: 5mm x 4mm Oval. Bead & Pearl Stringing Tools & Material. (Each amber gem will have different inclusions, we try to get ones with good clarity and the fewest visible inclusions).
    £1.20
    £1.49 postage
  • Loose Natural 0.23ct Round Brilliant Cut Diamond G SI2

    Loose Natural 0.23ct Round Brilliant Cut Diamond G SI2

    It can often take me several 'testings' to get a correct diamond as a replacement as depth and girdle measurements sometimes need to be correct. All this doesn't matter so much if you are just investing.
    £180.00
    Available for Best Offeror Best Offer
    £7.00 postage
  • VERY RARE 10x7mm PEAR CABOCHON-CUT NATURAL ETHIOPIAN WHITE OPAL GEMSTONE

    VERY RARE 10x7mm PEAR CABOCHON-CUT NATURAL ETHIOPIAN WHITE OPAL GEMSTONE

    This is a pear cabochon-cut, natural Ethiopian white Opal gemstone. It weighs 1.05cts and measures 10x7mm. Below are the technical details Shape: Pear Cabochon-Cut. Colour: White With Rainbow-Lustre.
    £8.88
    Click & Collect
    £1.50 postage
    6 watching6 watching
  • loose Natural Unheated dark Blue Sapphire 1.34ct oval cut 8x6 loose gemstones

    loose Natural Unheated dark Blue Sapphire 1.34ct oval cut 8x6 loose gemstones

    Natural Sapphire. all of our gemstones are graded according to GIA guidelines for clarity type for the stone being graded. Deep Blue. Chrysoberyl, yellow and green. Tourmaline, green. Type I. Usually eye clean.
    £40.00
    Click & Collect
    FAST & FREE
  • Loose Natural 0.22ct Round Brilliant Cut Diamond H VS1

    Loose Natural 0.22ct Round Brilliant Cut Diamond H VS1

    It can often take me several 'testings' to get a correct diamond as a replacement as depth and girdle measurements sometimes need to be correct. All this doesn't matter so much if you are just investing.
    £195.00
    Available for Best Offeror Best Offer
    £7.00 postage
  • loose Natural Royal Blue Sapphire 1.62ct oval cut loose diamonds gemstones

    loose Natural Royal Blue Sapphire 1.62ct oval cut loose diamonds gemstones

    Natural Sapphire. Royal Blue. all of our gemstones are graded according to GIA guidelines for clarity type for the stone being graded. Chrysoberyl, yellow and green. Tourmaline, green. Type I. Usually eye clean.
    £620.00
    eBay Premium Service
    Available for Best Offeror Best Offer
    Estimated delivery dateEst. delivery Mon, Dec 5
    FAST & FREE
  • A PAIR OF 7mm ROUND CABOCHON-CUT NATURAL AFRICAN AMETHYST GEMSTONES

    A PAIR OF 7mm ROUND CABOCHON-CUT NATURAL AFRICAN AMETHYST GEMSTONES

    This is a pair of round cabochon-cut, superb deep-purple, natural African Amethyst gemstones. They weigh 1.35cts (2.70cts total) and measure 7mm across each. Below are the technical details Size: A Pair of 7 mm.
    £2.77
    Click & Collect
    £1.50 postage
  • Loose Natural 0.245ct Round Brilliant Cut Diamond I I2

    Loose Natural 0.245ct Round Brilliant Cut Diamond I I2

    It can often take me several 'testings' to get a correct diamond as a replacement as depth and girdle measurements sometimes need to be correct. All this doesn't matter so much if you are just investing.
    £74.99
    Available for Best Offeror Best Offer
    £7.00 postage
  • 8x6mm OVAL-FACET NATURAL AFRICAN GOLDEN CITRINE GEMSTONE £1 NR!

    8x6mm OVAL-FACET NATURAL AFRICAN GOLDEN CITRINE GEMSTONE £1 NR!

    This is an oval-facet, fine golden-yellow, natural African Citrine gemstone. It weighs 1.05cts and measures 8x6mm. Below are the technical details We are able to set the vast majority of standard sized gemstones into Gold or Silver jewellery (rings, pendants, and earrings).
    £0.99
    1 bid
    £1.50 postage
    Ending Today at 8:15PM GMT
  • A PAIR OF 12x6mm MARQUISE CABOCHON-CUT NATURAL RAINBOW MOONSTONE GEMS £1 NR!

    A PAIR OF 12x6mm MARQUISE CABOCHON-CUT NATURAL RAINBOW MOONSTONE GEMS £1 NR!

    This is a pair of unusual, marquise cabochon-cut, natural Indian rainbow Moonstone gems. They weigh 1.75cts (3.50cts total) and measure 12x6mm each. Below are the technical details Size: 2 Pieces of 12x6mm.
    £0.99
    1 bid
    £1.50 postage
    Ending Today at 10:19PM GMT

Got one to sell?

Get it in front of 17+ million UK buyers.

Guides