Results in Very Good IGI Loose Diamonds & Gemstones

1-25 of 31

  • 152.41 Cts Certified Natural Ethiopian Opal Phenomenal Jewel Rarest in the World

    152.41 Cts Certified Natural Ethiopian Opal Phenomenal Jewel Rarest in the World

    See Video ~ Rare Unseen Phenomenon Opal/Egg in Opal
    £43,512.42
    From India
    Was: Previous price£58,016.57
    Available for Best Offeror Best Offer
    Free P&P
  • Rare IGI Certified 1.08 Carat Deep Blue Unheated Transparent Sapphire!!

    Rare IGI Certified 1.08 Carat Deep Blue Unheated Transparent Sapphire!!

    An IGI Certified 1.08 Carat Unheated Oval Cut Deep Blue Sapphire. Transparent, Almost Eye Clean, Cut Is Very Good However symmetry Could Be Better. A Rare Natural Unheated Deep Blue Sapphire, Which Exudes A Cascade Of Scintillating Fire When In Hand.
    £1,250.00
    Available for Best Offeror Best Offer
    FAST & FREE
  • 2.56 Ct IGI Certified Natural Yellow Sapphire Cushion Cut Loose Gemstone

    2.56 Ct IGI Certified Natural Yellow Sapphire Cushion Cut Loose Gemstone

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Gem Type Natural Sapphire. Shape Rectangular Cushion Cut. "Great Investment Gemstone - Easy Liquidity ".
    £610.64
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.87 Ct IGI Certified AA+ Natural D Block Tanzanite Violet Blue Pear Cut

    1.87 Ct IGI Certified AA+ Natural D Block Tanzanite Violet Blue Pear Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £372.73
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 9.76 Ct IGI Certified AA+ Natural Tanzanite Violet Green Cushion Cut Gemstone

    9.76 Ct IGI Certified AA+ Natural Tanzanite Violet Green Cushion Cut Gemstone

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £2,141.23
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.35 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Trillion Cut

    1.35 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Trillion Cut

    Shape Trillion Cut. Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £214.12
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • IGI CERTIFIED NATURAL TANZANITE 3.92 CT

    IGI CERTIFIED NATURAL TANZANITE 3.92 CT

    IGI CERTIFIED NATURAL TANZANITE 3.92 CT RECTANGULAR MIXED CUT.
    £369.00
    From Ireland
    Available for Best Offeror Best Offer
    £7.95 postage
  • 3.02 Ct IGI Certified AAA Natural D Block Tanzanite Blue Violet Cushion Cut

    3.02 Ct IGI Certified AAA Natural D Block Tanzanite Blue Violet Cushion Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £793.04
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 5.30 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Round Cut

    5.30 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Round Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £634.43
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 2.55 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Oval Cut

    2.55 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Oval Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £408.41
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 3.21 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Emerald Cut

    3.21 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Emerald Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £356.87
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 3.62 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Color Pear Cut

    3.62 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Color Pear Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £436.17
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 3.72 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Cushion Cut

    3.72 Ct IGI Certified AA Natural D Block Tanzanite Violet Green Cushion Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £444.10
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.56 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Trillion Cut

    1.56 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Trillion Cut

    Shape Trillion Cut. Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £253.77
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 4.14 Ct IGI Certified AA Natural D Block Tanzanite Green Blue Violet Cushion Cut

    4.14 Ct IGI Certified AA Natural D Block Tanzanite Green Blue Violet Cushion Cut

    Color Medium Greenish Bluish Violet. Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite.
    £495.65
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 5.60 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Marquise Cut

    5.60 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Marquise Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £793.04
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 2.03 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Oval Cut

    2.03 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Oval Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £317.21
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.74 Ct IGI Certified AA+ Natural D Block Tanzanite Blue Violet Color Round Cut

    1.74 Ct IGI Certified AA+ Natural D Block Tanzanite Blue Violet Color Round Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £380.66
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 3.23 Ct IGI Certified AA+ Natural D Block Tanzanite Blue Violet Color Oval Cut

    3.23 Ct IGI Certified AA+ Natural D Block Tanzanite Blue Violet Color Oval Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £634.43
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 2.11 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Pear Cut

    2.11 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Pear Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £301.35
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 2.16 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Marquise Cut

    2.16 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Marquise Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £376.69
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 2.15 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Cushion Cut

    2.15 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Cushion Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £309.28
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.56 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Pear Cut

    1.56 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Pear Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is used in bracelets, necklaces, and earrings. It is less often used in rings due to its relatively low hardness which makes its prone to scratches Tanzanite gemstones are mostly heat treated to enhance the color.
    £237.91
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.66 Ct IGI Certified AA+ Natural D Block Tanzanite Blue Violet Trillion Cut

    1.66 Ct IGI Certified AA+ Natural D Block Tanzanite Blue Violet Trillion Cut

    Shape Trillion Cut. Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £341.00
    From United States
    Available for Best Offeror Best Offer
    Free P&P
  • 1.74 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Oval Cut

    1.74 Ct IGI Certified AA Natural D Block Tanzanite Blue Violet Color Oval Cut

    Certified by IGI, One of a renowned Gemological Institutes in the World. "IGI Certificate comes FREE". Tanzanite is a stunning, rare, and valuable gem of mineral Zoisite. It was discovered in 1967 in the Merelani Hills of Northern Tanzania, Africa.
    £237.91
    From United States
    Available for Best Offeror Best Offer
    Free P&P

Got one to sell?

Get it in front of 17+ million UK buyers.