Diamond Concierge
Confidential sourcing of exceptional diamonds
AC PRIVATE identifies, authenticates and acquires the world's finest stones for you — rare diamonds, fancy vivids, collectible and investment precious stones.
A complete service, from search to hand delivery
Our expertise
Confidential sourcing
Identification and acquisition of exceptional diamonds through a worldwide network of certified dealers, diamond bourses (Antwerp, Tel Aviv, Mumbai) and high jewellery houses.
Certification & expertise
Every stone is GIA, HRD or IGI certified. Independent 4C expertise (carat, colour, clarity, cut) and ethical provenance verification (Kimberley Process).
Investment diamonds
Investment diamond advisory: rare fancy vivid colour stones, large Type IIa carats, historic diamonds. Bespoke wealth management guidance.
Bespoke high jewellery
Creation of unique pieces with the finest setters and goldsmiths: rings, necklaces, parures. From sketch to delivery, complete confidential guidance.
Negotiation & confidentiality
Discreet negotiation on your behalf, identity protection and acquisition structuring. End-to-end secured transactions.
Worldwide delivery & insurance
Insured transport by specialist couriers, hand delivery, insurance and conservation advice (secure safe, presentation case).
4 steps to your exceptional stone
Our process
Brief & requirements
Confidential consultation to define the desired stone, your quality and origin criteria, and budget.
Sourcing & shortlist
Activation of our international network and presentation of a certified shortlist matching your requirements.
Expertise & authentication
Independent verification (GIA/HRD), fair market value estimate and detailed report.
Acquisition & secure handover
Final negotiation, secure transfer, insurance and full documentation. Hand delivery.
GIA · HRD · IGI
Recognised certifications
100%
Guaranteed confidentiality
Europe & Worldwide
Secure delivery
Your next exceptional stone
Contact AC PRIVATE for a confidential consultation. No obligation, no commitment.