London, United Kingdom · Est. 1984
Marcus McCallum
At a glance
- Location
- London, United Kingdom
- Specialisms
- Sapphire · Spinel · Tourmaline
- Register status
- Listed · verification not completed
Evidence on record
Last checked Aug 15, 2026GemsVerified reviews dealer evidence to the best of its ability, but a profile is not a guarantee, endorsement or product appraisal. Confirm current credentials, products and terms directly with the dealer. Read the verification disclaimer.
About
Hatton Garden gemstone and pearl supplier to the trade founded in 1984 by gemmologist Marcus McCallum FGA. Its official site lists alexandrite, aquamarine, emerald, ruby, sapphire, spinel, tanzanite, tourmaline, zircon and other stones, personally sourced on trips to Brazil, Sri Lanka, Myanmar, India, Zambia, Tanzania and Madagascar. Gemmologists on staff offer an advisory testing service to the trade.
Profile information was sourced from Marcus McCallum's official website and checked on August 15, 2026. Products, prices and availability can change. For current details and accuracy, visit the dealer's website.
Pre-approved claim · Pre-approved until 31 Oct 2026
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This record was sourced from the public record and has not been claimed. Owners are pre-approved to claim it free of charge until 31 October 2026 — confirm control of the domain and the profile is yours to edit.
Current stones
This dealer cuts and quotes on request.
No stones are catalogued at present. Describe the stone, cut and budget you have in mind and your enquiry goes straight to the workshop.
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