Site updated regularly: Last update:

29 May 2023

Site updated regularly: Last update: 29 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

opal

Showing 1–12 of 19 results

  • Boulder Opal FREEFORM PAIR

    • Title: BOULDER OPAL PAIR
    • Shape: FREEFORM
    • Dimensions: C26X16MM
    • Colour: 1 PR
    • Weight: 1 PR
    • Description:
    • Ref: OPQ016 1PR
    • £1000.00 PER PIECE + VAT

    More More

    Boulder Opal FREEFORM PAIR

    • Title: BOULDER OPAL PAIR
    • Shape: FREEFORM
    • Dimensions: C26X16MM
    • Colour: 1 PR
    • Weight: 1 PR
    • Description:
    • Reference: OPQ016 1PR
    • £1000.00 PER PIECE + VAT
    		 Enquire

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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: BOULDER OPAL PAIR
    • Shape: FREEFORM
    • Dimensions: C26X16MM
    • Colour: 1 PR
    • Weight: 1 PR
    • Description:
    • Reference: OPQ016 1PR
    • £1000.00 PER PIECE + VAT

    Enquire

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    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.

     

  • Opal BLACK OVAL

    • Title: BLACK OPAL
    • Shape: OVAL
    • Dimensions: 28.7X22.1MM
    • Colour: 43.25CT
    • Weight: 43.25CT
    • Description:
    • Ref: OPQ026 43.25CT
    • £55.00 PER CARAT + VAT

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    Opal BLACK OVAL

    • Title: BLACK OPAL
    • Shape: OVAL
    • Dimensions: 28.7X22.1MM
    • Colour: 43.25CT
    • Weight: 43.25CT
    • Description:
    • Reference: OPQ026 43.25CT
    • £55.00 PER CARAT + VAT
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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: BLACK OPAL
    • Shape: OVAL
    • Dimensions: 28.7X22.1MM
    • Colour: 43.25CT
    • Weight: 43.25CT
    • Description:
    • Reference: OPQ026 43.25CT
    • £55.00 PER CARAT + VAT

    Enquire

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    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.

     

  • Boulder Opal FREEFORM

    • Title: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 31.5X30MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Ref: OPR020 1PC
    • £600.00 PER PIECE + VAT

    More More

    Boulder Opal FREEFORM

    • Title: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 31.5X30MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPR020 1PC
    • £600.00 PER PIECE + 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: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 31.5X30MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPR020 1PC
    • £600.00 PER PIECE + VAT

    Enquire

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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.

     

  • Boulder Opal FREEFORM

    • Title: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 60X35MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Ref: OPQ014 1PC
    • £950.00 PER PIECE + VAT

    More More

    Boulder Opal FREEFORM

    • Title: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 60X35MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPQ014 1PC
    • £950.00 PER PIECE + VAT
    		 Enquire

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    		 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: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 60X35MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPQ014 1PC
    • £950.00 PER PIECE + VAT

    Enquire

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    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.

     

  • Boulder Opal FREEFORM

    • Title: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 11.5X8MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Ref: OPR025 1PC
    • £290.00 PER PIECE + VAT

    More More

    Boulder Opal FREEFORM

    • Title: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 11.5X8MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPR025 1PC
    • £290.00 PER PIECE + VAT
    		 Enquire

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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: BOULDER OPAL
    • Shape: FREEFORM
    • Dimensions: 11.5X8MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPR025 1PC
    • £290.00 PER PIECE + VAT

    Enquire

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    (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.

     

  • Boulder Opal TRIANGLE

    • Title: BOULDER OPAL
    • Shape: TRIANGULAR
    • Dimensions: 12.5X9MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Ref: OPR027 1PC
    • £145.00 PER PIECE + VAT

    More More

    Boulder Opal TRIANGLE

    • Title: BOULDER OPAL
    • Shape: TRIANGULAR
    • Dimensions: 12.5X9MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPR027 1PC
    • £145.00 PER PIECE + 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: BOULDER OPAL
    • Shape: TRIANGULAR
    • Dimensions: 12.5X9MM
    • Colour: 1 PC
    • Weight: 1 PC
    • Description:
    • Reference: OPR027 1PC
    • £145.00 PER PIECE + VAT

    Enquire

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    (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.

     

  • ETHIOPIAN OPAL

    • Title: OPAL
    • Shape: TRIANGULAR
    • Dimensions: 23.7X14.4MM
    • Colour: 1 PIECE
    • Weight: 1 PIECE
    • Description:
    • Ref: OPR022
    • £800.00 PER PIECE + VAT

    More More

    ETHIOPIAN OPAL

    • Title: OPAL
    • Shape: TRIANGULAR
    • Dimensions: 23.7X14.4MM
    • Colour: 1 PIECE
    • Weight: 1 PIECE
    • Description:
    • Reference: OPR022
    • £800.00 PER PIECE + 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: OPAL
    • Shape: TRIANGULAR
    • Dimensions: 23.7X14.4MM
    • Colour: 1 PIECE
    • Weight: 1 PIECE
    • Description:
    • Reference: OPR022
    • £800.00 PER PIECE + VAT

    Enquire

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    (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.

     

  • Opal OVAL

    • Title: OPAL
    • Shape: OVAL
    • Dimensions: 20X17.4MM
    • Colour: 10.08CT
    • Weight: 10.08CT
    • Description:
    • Ref: OPR005 10.08CT
    • £250.00 PER CARAT + VAT

    More More

    Opal OVAL

    • Title: OPAL
    • Shape: OVAL
    • Dimensions: 20X17.4MM
    • Colour: 10.08CT
    • Weight: 10.08CT
    • Description:
    • Reference: OPR005 10.08CT
    • £250.00 PER CARAT + VAT
    		 Enquire

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    		 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: OPAL
    • Shape: OVAL
    • Dimensions: 20X17.4MM
    • Colour: 10.08CT
    • Weight: 10.08CT
    • Description:
    • Reference: OPR005 10.08CT
    • £250.00 PER CARAT + VAT

    Enquire

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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.

     

  • Opal PEARSHAPE PAIR

    • Title: OPAL PAIR
    • Shape: PEARSHAPE
    • Dimensions: 20.7X9.5MM
    • Colour: 2=8.60CT
    • Weight: 2=8.60CT
    • Description:
    • Ref: OPT023 2=8.60CT
    • £80.00 PER CARAT + VAT

    More More

    Opal PEARSHAPE PAIR

    • Title: OPAL PAIR
    • Shape: PEARSHAPE
    • Dimensions: 20.7X9.5MM
    • Colour: 2=8.60CT
    • Weight: 2=8.60CT
    • Description:
    • Reference: OPT023 2=8.60CT
    • £80.00 PER CARAT + VAT
    		 Enquire

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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: OPAL PAIR
    • Shape: PEARSHAPE
    • Dimensions: 20.7X9.5MM
    • Colour: 2=8.60CT
    • Weight: 2=8.60CT
    • Description:
    • Reference: OPT023 2=8.60CT
    • £80.00 PER CARAT + VAT

    Enquire

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    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.

     

  • Opal OVAL

    • Title: OPAL
    • Shape: OVAL
    • Dimensions: 21.5X9.4MM
    • Colour: 4.40CT
    • Weight: 4.40CT
    • Description:
    • Ref: OP305OF08 4.40CT
    • £190.00 PER CARAT + VAT

    More More

    Opal OVAL

    • Title: OPAL
    • Shape: OVAL
    • Dimensions: 21.5X9.4MM
    • Colour: 4.40CT
    • Weight: 4.40CT
    • Description:
    • Reference: OP305OF08 4.40CT
    • £190.00 PER CARAT + VAT
    		 Enquire

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    		 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: OPAL
    • Shape: OVAL
    • Dimensions: 21.5X9.4MM
    • Colour: 4.40CT
    • Weight: 4.40CT
    • Description:
    • Reference: OP305OF08 4.40CT
    • £190.00 PER CARAT + VAT

    Enquire

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    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.

     

  • Boulder Opal OVAL

    • Title: BOULDER OPAL
    • Shape: OVAL
    • Dimensions: 22X9MM
    • Colour:
    • Weight:
    • Description:
    • Ref: OPR017
    • £180.00 PER PIECE + VAT

    More More

    Boulder Opal OVAL

    • Title: BOULDER OPAL
    • Shape: OVAL
    • Dimensions: 22X9MM
    • Colour:
    • Weight:
    • Description:
    • Reference: OPR017
    • £180.00 PER PIECE + 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: BOULDER OPAL
    • Shape: OVAL
    • Dimensions: 22X9MM
    • Colour:
    • Weight:
    • Description:
    • Reference: OPR017
    • £180.00 PER PIECE + 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.

     

  • Opal Freeform

    • Title: OPAL
    • Shape: FREEFORM
    • Dimensions: C27X20MM
    • Colour: 24.82CT
    • Weight: 24.82CT
    • Description: LIGHTENING RIDGE
    • Ref: SM(TA) 24.82CT
    • £450.00 PER CARAT + VAT

    More More

    Opal Freeform

    • Title: OPAL
    • Shape: FREEFORM
    • Dimensions: C27X20MM
    • Colour: 24.82CT
    • Weight: 24.82CT
    • Description: LIGHTENING RIDGE
    • Reference: SM(TA) 24.82CT
    • £450.00 PER CARAT + 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: OPAL
    • Shape: FREEFORM
    • Dimensions: C27X20MM
    • Colour: 24.82CT
    • Weight: 24.82CT
    • Description: LIGHTENING RIDGE
    • Reference: SM(TA) 24.82CT
    • £450.00 PER CARAT + VAT

    Enquire

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    (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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