Site updated regularly: Last update:

31 May 2023

Site updated regularly: Last update: 31 May 2023

LATEST Blog

  • LOCKDOWN NOVEMBER 2020

    NOVEMBER 2020 LOCKDOWN We wanted to keep everyone updated on our plans for the second lockdown starting on Thursday 5.11.2020. We will be staying open and be available to help you with your enquiries. Keep safe everyone.  

  • Rocking it in Alsace

    We recently visited the rock and gem fair at Saint Marie aux Mines in Alsace, which, for those into their mineral and fossil specimens was an absolute treasure trove.   Saint Marie is an old silver mining town with a … Continue reading “Rocking it in Alsace”

  • New amber find at Alem Ketema

    We recently purchased a parcel of amber from the new find at Alem Ketema in Ethiopia. Until now the trade and gemmologists have taken the position that any green amber is treated, either by heating in an autoclave or by … Continue reading “New amber find at Alem Ketema”

LATEST NEWS

  • NEW STONES ON THE WEB!!

    HERE ARE JUST A FEW OF THE NEW STOCK JUST PUT UP ON THE WEB… CHECK OUT NEW ARRIVALS TO SEE THEM ALL.      

  •  

  • FOLLOW US ON INSTAGRAM

    COOL GEMMOLOGICAL PHOTOS GARNET INCLUSION IN A DIAMOND SHOWN ABOVE MMCCALLUMFGA

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  • Pearls

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    Pearls

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  • Gema Link

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    • Description: The Gemmological Association of Great Britain, or Gem-A, is the world's longest established provider of gem and jewellery education.
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    Gema Link

    • Title:
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    • Description: The Gemmological Association of Great Britain, or Gem-A, is the world's longest established provider of gem and jewellery education.
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    To see prices, please obtain username by registering here, (trade references required)

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    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.
    • Title:
    • Shape:
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    • Description: The Gemmological Association of Great Britain, or Gem-A, is the world's longest established provider of gem and jewellery education.
    • Reference:
    • £0.00 + VAT

    Enquire

    To see prices, please obtain username by registering here
    (trade references required)

    Register

    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.

     

  • Last Update

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    • Description: WEDNESDAY 13TH JULY 2016
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    Last Update

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    • Description: WEDNESDAY 13TH JULY 2016
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    • Description: WEDNESDAY 13TH JULY 2016
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  • Contact Form *do Not Edit*

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    • Description: Name: * Title: Company: Address:   Email: * Message: *
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    Contact Form *do Not Edit*

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    • Description: Name: * Title: Company: Address:   Email: * Message: *
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    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.

     

  • Contact Us Details

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    • Description: TELEPHONE: +44(0)20 7405 2169 FACSIMILE: +44(0)20 7705 9385 EMAIL: info@marcusmccallum.com MARCUS McCALLUM FGA. Room 27-31, New House, 67-68 Hatton Garden, London EC1N 8JY
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    Contact Us Details

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    • Description: TELEPHONE: +44(0)20 7405 2169 FACSIMILE: +44(0)20 7705 9385 EMAIL: info@marcusmccallum.com MARCUS McCALLUM FGA. Room 27-31, New House, 67-68 Hatton Garden, London EC1N 8JY
    • Reference:
    • £0.00 + VAT
    		 Enquire

    To see prices, please obtain username by registering here, (trade references required)

    		 Register

    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.
    • Title:
    • Shape:
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    • Description: TELEPHONE: +44(0)20 7405 2169 FACSIMILE: +44(0)20 7705 9385 EMAIL: info@marcusmccallum.com MARCUS McCALLUM FGA. Room 27-31, New House, 67-68 Hatton Garden, London EC1N 8JY
    • Reference:
    • £0.00 + VAT

    Enquire

    To see prices, please obtain username by registering here
    (trade references required)

    Register

    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.

     

  • About Us

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    • Description: Established in Hatton Garden in 1984, Marcus McCallum specialises in supplying rare and unusual stones to the trade. We also have a constantly-changing stock of pearls and beads.
    • Ref:
    • £0.00 + VAT

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    About Us

    • Title:
    • Shape:
    • Size:
    • Colour:
    • Description: Established in Hatton Garden in 1984, Marcus McCallum specialises in supplying rare and unusual stones to the trade. We also have a constantly-changing stock of pearls and beads.
    • Reference:
    • £0.00 + VAT
    		 Enquire

    To see prices, please obtain username by registering here, (trade references required)

    		 Register

    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.
    • Title:
    • Shape:
    • Size:
    • Colour:
    • Description: Established in Hatton Garden in 1984, Marcus McCallum specialises in supplying rare and unusual stones to the trade. We also have a constantly-changing stock of pearls and beads.
    • Reference:
    • £0.00 + VAT

    Enquire

    To see prices, please obtain username by registering here
    (trade references required)

    Register

    This is only a small selection of our current stock. Please contact us to discuss your particular requirements quoting the above reference for more information about this item.

     

LATEST Blog

  • NEW STONES ON THE WEB!!

    HERE ARE JUST A FEW OF THE NEW STOCK JUST PUT UP ON THE WEB… CHECK OUT NEW ARRIVALS TO SEE THEM ALL.      

  •  

  • FOLLOW US ON INSTAGRAM

    COOL GEMMOLOGICAL PHOTOS GARNET INCLUSION IN A DIAMOND SHOWN ABOVE MMCCALLUMFGA

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