Secure Diamond Storage
& Private Asset Custody.
Subterranean, Lloyd's-insured vaulting for the world's most concentrated assets. A protocol of absolute discretion and irreversible security, trusted by collectors, dealers, and family offices across four continents.
Fortified beyond standard.
Lloyd's Underwritten
Full indemnity coverage on every asset within the Reserve — over £4B aggregate limit through a dedicated Lloyd's of London syndicate.
Sovereign Jurisdiction
Custody operated under English common law with strict non-disclosure protocols and the highest privacy protections in Europe.
Biometric Chain of Custody
Multi-party authorization, redundant biometric verification, and tamper-evident audit logs for every access event.
Examples of high-value assets managed through our secure custody platform.
Demonstration Assets For Illustrative Purposes
USD values approximate · Actual client names, holdings and storage locations are never publicly disclosed.
Private custody, institutional standards.
Private Client Services
Direct access to a custody director and dedicated relationship manager.
Asset Documentation
Independent certification, chain-of-custody records, and audit-ready reporting.
Secure Custody Solutions
Allocated micro-vaults with biometric multi-party access and 24/7 monitoring.
Professional Reporting
Quarterly statements, annual revaluations, and bespoke holdings reports.
Insurance Coordination
Lloyd's of London underwritten cover arranged from intake through withdrawal.
Dedicated Client Support
Discreet support every business day with secure private messaging.
Engineered for the next century.
Reinforced concrete sub-basement, twin-skin armoured doors, seismic and EMP shielding, and independent power redundancy. Every micro-vault is individually sealed, monitored, and underwritten.
- Class III
- UL-rated armoured chamber
- 1,200mm
- reinforced concrete walls
- 3-factor
- biometric access control
- < 60s
- armed response time
A protocol, not a transaction.
- 01
Private Consultation
Discreet briefing with a custody director. KYC, AML and provenance reviewed under strict NDA.
- 02
Secure Intake
Insured collection or on-site deposit. Independent GIA appraisal, sealing, and tamper-evident logging.
- 03
Vault Custody
Assets placed in a climate-controlled micro-vault. Real-time monitoring, biometric access, full insurance live.
- 04
Lifetime Stewardship
Annual revaluation, certificate of deposit, on-demand viewings, and seamless transfer or liquidity on request.
Custody Specialized
Category Listings
DR-GEMS
Diamonds & Gemstones
Climate-controlled micro-vaults for loose stones and high jewelry. Internal GIA-certified appraisal suite on-premises.
DR-METL
Precious Bullion
High-density allocated storage for gold, platinum, and palladium. Direct liquidity pipeline to global exchanges.
DR-HORO
Watch Collections
Automated winding carousels and humidity-regulated archival cases for horological investment preservation.
DR-ARCH
Strategic Assets
Deeds, bearer bonds, manuscripts, and physical private keys. Fire-suppression chambers rated for 4,800°F.
Your title, untouchable.
All-Risk Indemnity
Lloyd's policy active from intake — transit, storage, viewing, and withdrawal all covered.
Segregated Title
Each asset is held under your name with a notarised certificate of deposit. Never commingled.
Inheritance Continuity
Bonded executors and a structured succession protocol ensure seamless transfer to nominated heirs.
Discretion by Default
No public registry, no third-party disclosure. Communications encrypted end-to-end.
Trusted in private.
"The level of discretion and structural integrity provided by London Storage Group is unmatched. It is more than a vault — it is a fortress engineered for generational wealth."
"From appraisal to custody, every protocol was executed with the precision of a private bank. The client portal is genuinely world-class."
"We migrated our entire reserve from a Swiss vault. The Lloyd's policy, the biometric access, the on-call directors — it is the new standard."
- Who underwrites the insurance on stored assets?
- Every asset is covered by an all-risk policy underwritten by a dedicated Lloyd's of London syndicate, in force from the moment of intake.
- How is access controlled?
- Multi-factor biometric verification, two-person physical authorization, and a tamper-evident immutable audit log for every event.
- Can I view or withdraw my assets at any time?
- Yes. Private viewings can be arranged within 24 hours, and insured global transport is available for withdrawals or transfers.
- Are valuations independent?
- All valuations are produced by GIA-certified appraisers on-premises and re-issued annually as part of your custody agreement.
Custody Tiers
Membership levels are strictly vetted and tiered by total asset value and insurance requirements.
Individual
- Personal vault allocation
- £500k coverage limit
- Quarterly audit reports
Premium
- Premium vault allocation
- £5M coverage limit
- Priority 24h visitation
Business
- Wholesale bulk storage
- £50M coverage limit
- Dealer logistics support
Enterprise
- Private vault rooms
- Unlimited coverage
- Global transport escort
The future of your estate deserves
an impregnable fortress.
Speak privately with a custody director. All consultations are conducted under full non-disclosure with no obligation.