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About Us

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.

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New Arrivals

We constantly update our range of gemstones, pearls and semi-precious beads. Our latest trip to Hong Kong has replenished our stock of freshwater pearls and added new and exciting examples of unusual beads. Look at our New Arrivals page or contact us for more details.

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We specialise in sourcing and supplying rare and one-off stones to the trade. All of our stock is personally selected from specialist suppliers and cutters around the world.

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We carry a permanent stock of freshwater pearls, from standard sizes of strands and loose pearls, to large baroque and fancy-shaped pearls in many colours.

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Our stock includes an ever-changing range of semi-precious beads with the emphasis on unusual and one-off stones.

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We also source and stock a wide range of unusual miscellaneous items including nephrite jade carvings, beads and jadeite carvings.

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