Results in Loose Diamonds and Gemstones

1-25 of 507,727

  • 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
  • 2.21 Cts CLEAN RARE QUALITY GREEN COLOR NATURAL LOOSE DIAMONDS- SI1

    2.21 Cts CLEAN RARE QUALITY GREEN COLOR NATURAL LOOSE DIAMONDS- SI1

    Green coloured diamonds symbolise wealth and nature, and blue coloured diamonds represent peace, spirituality and good health. Black is often seen as a negative colour, but a black coloured diamond may represent sophistication.
    £639.89
    24 bids
    £5.52 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 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 Mon, Dec 5
    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
    12 watching12 watching
  • Lose damaged 0.933ct Zambian Amethyst stone - 8x6mm oval cut

    Lose damaged 0.933ct Zambian Amethyst stone - 8x6mm oval cut

    Hi you are bidding on this damaged loose Zambian Amethyst. 0.933cts. 8x6mm oval cut. This was taken from the pictured ring when I sold the metal. It has slight damage which could be polished out or reshaped. Good luck...
    £5.00
    0 bids
    £2.00 postage
    Ending Today at 9:00PM 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. Beautiful natural Amber with good colour, cut & polish. (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
  • 0.75 Cts SPARKLING FANCY AQUA BLUE COLOR NATURAL LOOSE DIAMONDS- SI1

    0.75 Cts SPARKLING FANCY AQUA BLUE COLOR NATURAL LOOSE DIAMONDS- SI1

    0.75 Cts EXCELLENT SPARKLING AQUA BLUE COLOR NATURAL LOOSE DIAMONDS- SI1. Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds.
    £141.01
    24 bids
    Free P&P
    Ending Today at 6:52AM GMT
    From Thailand
  • 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
  • 0.70 Cts UNTREATED RARE PINKISH BROWN COLOR NATURAL LOOSE DIAMONDS-SI1

    0.70 Cts UNTREATED RARE PINKISH BROWN COLOR NATURAL LOOSE DIAMONDS-SI1

    Light Pinkish Brown. Natural- Untreated. Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds.
    £240.94
    19 bids
    £5.52 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 10 PIECES OF 3mm ROUND CABOCHON-CUT NATURAL WHITE CATS-EYE MOONSTONE GEMS £1 NR!

    10 PIECES OF 3mm ROUND CABOCHON-CUT NATURAL WHITE CATS-EYE MOONSTONE GEMS £1 NR!

    This is a set of 10 unusual, round cabochon-cut, white cats-eye Moonstone gems. They weigh 0.13cts (1.30cts total) and measure 3mm across each. Below are the technical details Size: 10 Pieces of 3mm.
    £0.99
    1 bid
    £1.50 postage
    Ending Today at 8:51PM 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
  • 7mm HEART-FACET PURPLE/RED NATURAL INDIAN ALMANDITE GARNET GEMSTONE £1 NR!

    7mm HEART-FACET PURPLE/RED NATURAL INDIAN ALMANDITE GARNET GEMSTONE £1 NR!

    This is a heart-facet, deep purple-red, natural Indian Almandite Garnet gemstone. It weighs 1.10cts, measures 7mm across and has a clarity grade of SI-1. Below are the technical details Specific Gravity: 3.6.
    £0.99
    0 bids
    £1.50 postage
    Ending Today at 9:46PM GMT
  • 1.85 Cts TOP RARE PINKISH BROWN COLOR NATURAL LOOSE DIAMONDS-VS1

    1.85 Cts TOP RARE PINKISH BROWN COLOR NATURAL LOOSE DIAMONDS-VS1

    Light Pinkish Brown. Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds. Naturally coloured diamonds change into a different colour because of various conditions or elements the diamond is exposed to whilst it is being formed.
    £1,061.74
    20 bids
    Free P&P
    Ending Today at 6:52AM GMT
    From Thailand
  • 0.08 Cts FANCY TOP SPARKLING WHITE COLOR NATURAL LOOSE DIAMONDS- SI1

    0.08 Cts FANCY TOP SPARKLING WHITE COLOR NATURAL LOOSE DIAMONDS- SI1

    Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds. Naturally coloured diamonds change into a different colour because of various conditions or elements the diamond is exposed to whilst it is being formed.
    £12.24
    2 bids
    £6.31 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 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
    5 watching5 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
  • 0.23 Cts RARE FANCY SPARKLING WHITE COLOR NATURAL LOOSE DIAMONDS- SI1

    0.23 Cts RARE FANCY SPARKLING WHITE COLOR NATURAL LOOSE DIAMONDS- SI1

    Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds. Naturally coloured diamonds change into a different colour because of various conditions or elements the diamond is exposed to whilst it is being formed.
    £55.30
    9 bids
    £5.52 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 0.42 Cts SPARKLING RARE ROYAL BLUE COLOR NATURAL LOOSE DIAMONDS- SI2

    0.42 Cts SPARKLING RARE ROYAL BLUE COLOR NATURAL LOOSE DIAMONDS- SI2

    0.42 Cts EXCELLENT RARE SPARKLING ROYAL BLUE COLOR NATURAL LOOSE DIAMONDS. Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds.
    £26.07
    3 bids
    £5.52 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 0.44 Cts FANCY TRANSPARENT GREEN COLOR NATURAL LOOSE DIAMONDS- SI1

    0.44 Cts FANCY TRANSPARENT GREEN COLOR NATURAL LOOSE DIAMONDS- SI1

    Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds. Naturally coloured diamonds change into a different colour because of various conditions or elements the diamond is exposed to whilst it is being formed.
    £61.62
    4 bids
    £5.52 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 0.81 Cts FANCY SPARKLING ROYAL BLUE COLOR NATURAL LOOSE DIAMONDS

    0.81 Cts FANCY SPARKLING ROYAL BLUE COLOR NATURAL LOOSE DIAMONDS

    Diamonds are available in almost every colour imaginable. Coloured diamonds are classified differently to regular clear diamonds and are often called fancy coloured diamonds. Naturally coloured diamonds change into a different colour because of various conditions or elements the diamond is exposed to whilst it is being formed.
    £83.34
    7 bids
    £5.52 postage
    Ending Today at 6:52AM GMT
    From Thailand
  • 14x12mm OVAL-FACET DEEP-PURPLE NATURAL AFRICAN AMETHYST GEMSTONE £1 NR!

    14x12mm OVAL-FACET DEEP-PURPLE NATURAL AFRICAN AMETHYST GEMSTONE £1 NR!

    This is a beautiful oval facet, deep-purple, natural African Amethyst gemstone. It weighs 6.35cts and measure 14x12mm. 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 Today at 6:52PM GMT
  • 0.30 Cts AMAZING QUALITY RED COLOR NATURAL LOOSE DIAMONDS- SI1

    0.30 Cts AMAZING QUALITY RED COLOR NATURAL LOOSE DIAMONDS- SI1

    Green coloured diamonds symbolise wealth and nature, and blue coloured diamonds represent peace, spirituality and good health. Black is often seen as a negative colour, but a black coloured diamond may represent sophistication.
    £55.30
    9 bids
    Free P&P
    Ending Today at 6:52AM GMT
    From Thailand
  • NATURAL 100% GOLDEN YELLOW CITRINE LOOSE GEMSTONES OVAL SHAPE PAIR

    NATURAL 100% GOLDEN YELLOW CITRINE LOOSE GEMSTONES OVAL SHAPE PAIR

    Natural Gemstone 100% Natural Citrine Nice Pair. Color Golden Yellow. Gemstone Natural Citrine.
    £5.00
    0 bids
    FAST & FREE
    Ending Today at 7:39PM GMT
    Estimated delivery dateEst. delivery Tue, Dec 6
  • LARGE 14x10mm OVAL CABOCHON-CUT NATURAL INDIAN RAINBOW MOONSTONE GEMSTONE £1 NR!

    LARGE 14x10mm OVAL CABOCHON-CUT NATURAL INDIAN RAINBOW MOONSTONE GEMSTONE £1 NR!

    This is an unusual, oval cabochon-cut, natural Indian rainbow Moonstone gem. It weighs 6.10cts and measures 14x10mm. Below are the technical details Shape: Oval Cabochon-Cut. We are able to set the vast majority of standard sized gemstones into Gold or Silver jewellery (rings, pendants, and earrings).
    £1.20
    2 bids
    £1.50 postage
    Ending Today at 6:41PM GMT

Got one to sell?

Get it in front of 17+ million UK buyers.

Guides