Diamonds Other Precious Stones locations near Port Costa, CA

Showing 1–3 of 3 results

We track 3 diamonds other precious stones listings in and around Port Costa, CA, spread over 3 ZIP codes. Listings here were last checked in Jul 2026.

Tiffany & Co.

Diamonds & Other Precious Stones

📍 1119 S Main St, Walnut Creek, CA, 94596

📞 925-939-6300

Since 1837, Tiffany & Co. has been the world's premier jeweler. Explore our collections of iconic engagement rings, cherished gifts and visionary jewelry designs, all crafted from the finest materials and most spectacular gemstones. Shop for engagement rings, watches, and timeless gifts in Walnut Creek, CA.

Updated Jul 2026

Shane Co.

Diamonds & Other Precious Stones

📍 2500 N Main St, Walnut Creek, CA, 94597

📞 925-935-6600

🌐 www.shaneco.com

Shane Co. is a direct diamond importer specializing in loose diamonds, engagement rings, wedding rings and sets in gold, platinum, and jewelry with diamonds and natural rubies, sapphires and pearls.

Cegielski Jewelers Inc.

Diamonds & Other Precious Stones

📍 5354 Clayton Rd, Concord, CA, 94521

📞 925-682-2855

🌐 cegielskijewelers.com

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Diamonds & Other Precious Stones
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