Results in Loose Diamonds and Gemstones

1-25 of 510,413

  • 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
  • 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
    FAST & FREE
  • 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
  • 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 0.28ct Round Brilliant Cut Diamond G VVS2

    Loose Natural 0.28ct Round Brilliant Cut Diamond G 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.
    £289.00
    Available for Best Offeror Best Offer
    £7.00 postage
  • A PAIR OF 6x4mm OVAL CABOCHON-CUT NATURAL AFRICAN GOLDEN CITRINE GEMS £1 NR!

    A PAIR OF 6x4mm OVAL CABOCHON-CUT NATURAL AFRICAN GOLDEN CITRINE GEMS £1 NR!

    This is a pair of oval cabochon-cut, fine golden-yellow, natural African Citrine gemstones. They weigh 0.50cts (1.00ct total weight) and measure 6x4mm each. Below are the technical details Size: A Pair of 6x4 mm.
    £0.99
    0 bids
    £1.50 postage
    Ending Today at 8:56PM GMT
  • 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 Natural 0.23ct Round Brilliant Cut Diamond I VS1

    Loose Natural 0.23ct Round Brilliant Cut Diamond I 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
  • 12x10mm OVAL CABOCHON-CUT NATURAL INDIAN WHITE CATS-EYE MOONSTONE GEM £1 NR!

    12x10mm OVAL CABOCHON-CUT NATURAL INDIAN WHITE CATS-EYE MOONSTONE GEM £1 NR!

    This is an unusual, oval cabochon-cut, natural Indian white cats-eye Moonstone gem. It weighs 4.95cts and measures 12x10mm. Below are the technical details Shape: Oval Cabochon-Cut. Colour: White.
    £0.99
    0 bids
    £1.50 postage
    Ending Friday at 8:45AM 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
  • 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 0.235ct Round Brilliant Cut Diamond G VS1

    Loose Natural 0.235ct Round Brilliant Cut Diamond G 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.
    £220.00
    Available for Best Offeror Best Offer
    £7.00 postage
  • 12x8mm PEAR-FACET PURPLE/RED NATURAL ALMANDITE GARNET GEMSTONE £1 NR!

    12x8mm PEAR-FACET PURPLE/RED NATURAL ALMANDITE GARNET GEMSTONE £1 NR!

    This is a pear-facet, deep purple/red, natural Indian Almandite Garnet gemstone. It weighs 3.25cts, measures 12x8mm and has a clarity grade of SI-2. 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 4:58PM GMT
  • Loose Natural 0.19ct Round Brilliant Cut Diamond G SI1

    Loose Natural 0.19ct Round Brilliant Cut Diamond G SI1

    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.
    £95.00
    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
    7 watching7 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.
    £75.00
    eBay Premium Service
    Available for Best Offeror Best Offer
    Estimated delivery dateEst. delivery Thu, Dec 8
    FAST & FREE
    12 watching12 watching
  • 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
  • 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 Thu, Dec 8
    FAST & FREE
  • Sapphire Loose Gemstone Natural 1,3 Ct Precious Gem Precision Cut By AveryGems

    Sapphire Loose Gemstone Natural 1,3 Ct Precious Gem Precision Cut By AveryGems

    For centuries, the Sapphire has been referred to as the ultimate blue gemstone. Since Ancient times the Blue Sapphire represented a promise of honesty, loyalty, purity and trust. Each rough gemstone is unique with its own personality so I design a specific gemstone design for each stone.
    £230.00
    Available for Best Offeror Best Offer
    £3.27 postage
  • 7mm ROUND-FACET LIGHT-PURPLE NATURAL BRAZILIAN AMETHYST GEMSTONE £1 NR!

    7mm ROUND-FACET LIGHT-PURPLE NATURAL BRAZILIAN AMETHYST GEMSTONE £1 NR!

    This is a round-facet, light-purple, natural Brazilian Amethyst gemstone. It weighs 1.25cts and measures 7mm across. 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
    0 bids
    £1.50 postage
    Ending Friday at 10:11PM GMT
  • 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
  • LARGE 14x10mm OVAL-FACET NATURAL AFRICAN LEMON CITRINE GEMSTONE £1 NR!

    LARGE 14x10mm OVAL-FACET NATURAL AFRICAN LEMON CITRINE GEMSTONE £1 NR!

    This is a beautiful oval-facet, lemon-yellow, natural African Citrine gemstone. It weighs 4.90cts and measures 14x10mm. 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 8:11PM GMT
  • A PAIR OF 8x6mm BAGUETTE CABOCHON-CUT NATURAL INDIAN RAINBOW MOONSTONES £1 NR!

    A PAIR OF 8x6mm BAGUETTE CABOCHON-CUT NATURAL INDIAN RAINBOW MOONSTONES £1 NR!

    This is an unusual pair of baguette cabochon-cut, natural Indian rainbow Moonstone gems. They weigh 1.85cts (3.70cts total weight) and measure 8x6mm each. Below are the technical details Size: A Pair of 8x6 mm.
    £0.99
    0 bids
    £1.50 postage
    Ending Friday at 9:26PM GMT

Got one to sell?

Get it in front of 17+ million UK buyers.

Guides