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Private and Confidential Estate Buyer

Sell Inherited Fine Jewelry Privately, Securely, and With Transparent High-Value Offers

If you’ve inherited or own a significant collection of fine jewelry, luxury watches, or rare gemstones, you deserve more than a public, retail-style selling experience.

Kambourians is a private buyer built for affluent clients who value discretion, security, and honesty.

We specialize in confidential acquisition of:

  • Platinum jewelry

  • 18K gold jewelry

  • Diamond engagement rings and heirloom pieces

  • Cartier, Van Cleef & Arpels, and signed designer collections

  • Rolex and investment-grade luxury watches

  • Rare gemstones and exceptional diamonds

This is not “cash for gold.”
This is private liquidation at the highest level.

A Discreet Buyer for High-Value Estates

Most of our clients are not casual sellers.

They are individuals, families, and estate executors seeking:

  • A secure, appointment-only process

  • Transparent valuation and clear offers

  • Absolute confidentiality

  • Immediate liquidity for high-value pieces

  • A buyer worthy of important inheritances

We provide a professional, no-pressure environment designed for clients with serious collections.

What We Actively Purchase

Platinum Jewelry

We actively buy platinum pieces including:

  • Platinum engagement rings

  • Wedding bands and diamond settings

  • Estate platinum collections of significant value

18K Gold Jewelry

We seek high-end 18K jewelry such as:

  • 18K gold bracelets, necklaces, and rings

  • Signed designer 18K pieces

  • Inherited fine jewelry portfolios

Diamonds & Rare Gemstones

We purchase exceptional stones including:

  • Large diamonds and heirloom diamond jewelry

  • Collector-grade emeralds, sapphires, and rubies

  • Rare and investment-quality gemstones

Designer & Luxury Collections

We have particular interest in:

  • Van Cleef & Arpels (Alhambra, signed high jewelry, rare sets)

  • Cartier (Love, Trinity, Panthère, vintage and signed collections)

  • Rolex (Day-Date, Submariner, vintage references, high-value models)

If you have one important piece or an entire estate collection, we can help.

Privacy and Security Are the Standard

For our clients, privacy is not optional — it is the foundation.

We offer:

  • Appointment-only private consultations

  • Secure offices designed for discretion

  • Non-disclosure agreements available upon request

  • Professional handling of high-value jewelry and watches

  • Concierge travel to qualified clients

Every transaction is conducted with confidentiality, professionalism, and respect.

A Clear, High-Trust Process

1. Confidential Consultation

Begin privately. Share as much or as little as you wish.

2. Transparent Evaluation

We assess platinum, 18K gold, diamonds, signed designer jewelry, and rare gems with clarity and integrity.

3. Strong Offer & Secure Closing

You receive a direct, fair offer based on true market value — not pawn-style pricing.

No pressure. No tactics. Just an elite, discreet transaction.

Selling an Inheritance Should Feel Private and Respectful

Estate jewelry often represents more than financial value.

It can be personal, emotional, and significant. We understand that — and we treat every client and collection accordingly.

Our role is simple:

To provide liquidity with dignity, privacy, and complete transparency.

Request a Confidential Offer

If you are looking to sell platinum jewelry, 18K gold, Cartier, Van Cleef & Arpels, Rolex, diamonds, or rare gemstones, we invite you to contact us privately.

Use the secure form below to request:

  • A confidential consultation

  • A private appointment

  • A non-disclosure agreement

  • Concierge travel for qualified collections

Kambourians — Private Estate Jewelry & Rare Gem Acquisition