News

How Gold Is Tested: A Complete Guide to Profess...

June 12, 2026

Learn how professionals test gold using hallmarks, acid testing, XRF technology, electronic analyzers, and more. Discover how experts determine purity and value before you sell your gold.

How Gold Is Tested: A Complete Guide to Profess...

June 12, 2026

Learn how professionals test gold using hallmarks, acid testing, XRF technology, electronic analyzers, and more. Discover how experts determine purity and value before you sell your gold.

Fair & Accurate Offers

Phone Pricing Policy

To Ensure You Receive The Highest Possible Offer, We Do Not Provide Purchase Offers Over The Phone For Certain Items. The Value Of Gold, Silver, Jewelry, Coins, And Luxury Watches Depends On Factors Such As Authenticity, Condition, Weight, Purity, Collectibility, And Current Market Prices. A Complimentary In-Person Evaluation Allows Our Experts To Provide The Most Accurate And Competitive Offer Possible.

South Bay Coin is an independent precious metals and luxury goods dealer and is not affiliated with or endorsed by Rolex, Cartier, Tiffany & Co., Van Cleef & Arpels, Patek Philippe, Audemars Piguet, Omega, Tudor, or any other manufacturer referenced on this website. All trademarks are the property of their respective owners and are used for identification purposes only.