North Bay Rare Coin & Jewelry is a trusted gemstones buyer serving San Francisco, CA, and the greater Bay Area from a secure Napa location. If you have diamonds, rubies, sapphires, emeralds, or other colored stones to sell, call (707) 287-1919 to request a free appraisal with no obligation to sell.
Sellers across San Francisco, CA, need a knowledgeable, discreet gemstones buyer who pays fair market value without pawn shop pressure or mail-away delays. North Bay Rare Coin & Jewelry has spent decades building trusted relationships with collectors, estate sellers, and investors across the Bay Area. Whether you inherited fine jewelry, are liquidating an estate, or have a loose stone to sell, the team will make a competitive offer.
Which Gemstones Do We Buy?
North Bay Rare Coin & Jewelry buys a wide range of precious and colored stones, evaluating each piece based on current market demand and quality. Accepted types include diamonds, rubies, sapphires, emeralds, alexandrite, tanzanite, aquamarine, and other fine colored gemstones, whether loose or set in fine jewelry, designer pieces, or antique settings. The team buys outright and pays immediately.
How Is Your Gemstone Appraised?
Every gemstone receives a professional, no-pressure evaluation in four steps.
1. Schedule an appointment. Call (707) 287-1919 to book a private consultation at the secure Napa office or, by request, at your San Francisco home or office.
2. Present your stone or piece. Bring the gemstone and any certificates or provenance you have. No paperwork is required.
3. Receive your expert assessment. The team examines each stone for color, clarity, cut, and current collector demand using real-time market data.
4. Get a competitive offer. You receive a transparent offer with no obligation to accept. Payment is made on the spot when you agree.
Why Sell to North Bay Rare Coin & Jewelry?
Principal buyer Greg Krill brings over 40 years of hands-on experience evaluating fine jewelry, diamonds, and colored gemstones. The business maintains an active national network of collectors, dealers, and investors, allowing the team to offer prices that reflect real collector demand rather than wholesale minimums. Clients across San Francisco, Marin County, Sonoma, and Napa Valley trust the business for its transparent process. Visit North Bay Rare Coin & Jewelry to review credentials, or learn about the full range of fine jewelry and designer pieces purchased.
Frequently Asked Questions
What Types of Gemstones Does North Bay Rare Coin & Jewelry Buy?
The team buys diamonds, rubies, sapphires, emeralds, alexandrite, tanzanite, aquamarine, and most other precious and semi-precious stones, loose or set. Each piece is evaluated individually based on quality and current market demand.
Do I Need a Certificate to Sell My Gemstone?
No certification is required to sell your gemstone or receive an evaluation. Existing GIA or AGS certificates are welcome but not necessary. The team assesses each piece using professional expertise and real-time market data.
Is There Any Cost to Get My Gemstone Evaluated?
No. All appraisals are offered free of charge and carry no obligation to sell. You are welcome to have your gemstone evaluated, review the offer, and decide at your own pace.
How Quickly Will I Be Paid?
Payment is made immediately at your appointment as soon as you accept the offer. There are no consignment delays or waiting periods. Once you agree to the price, you are paid on the spot.
Schedule Your Gemstone Appraisal Today
North Bay Rare Coin & Jewelry is the gemstones buyer San Francisco, CA, sellers rely on for fair offers and a confidential process. Call
(707) 287-1919 or use the
contact form to request your free consultation.