🪙 Live Local Gold & Diamond Payout Guide • Castro Valley, CA

Best Places to Sell Gold, Scrap Jewelry & Diamonds in Castro Valley, CA [Oct 2026]

Compare 9 verified brick-and-mortar gold buyers, estate jewelers, and GIA diamond dealers along 2861 Castro Valley Blvd, 21754 Baywood Ave, 19651 Center St, E Castro Valley Blvd (covering postal codes 19651, 94546, 94552, 20211, 21754) — plus live USD per-gram melt values so you never accept a lowball pawn shop offer.

← All 9 Castro Valley Stores 🪙 Sell Gold & Diamonds 🛠️ Jewelry & Watch Repair 💍 Engagement Rings ✨ Custom 3D CAD Design 👑 22k Gold & Bullion 📜 GIA Appraisals

Castro Valley, CA Local Market Overview (Oct 2026)

Whether you are liquidating broken 14k gold chains, inherited estate rings, 22k/24k gold bullion coins, or GIA-graded loose diamonds in Castro Valley, California, payout percentages vary dramatically between street-level pawn brokers and established fine jewelers along 2861 Castro Valley Blvd, 21754 Baywood Ave, 19651 Center St, E Castro Valley Blvd. Across our directory's 9 verified showrooms in Castro Valley (258 combined client reviews, 4.5★ average), reputable local jewelers typically pay 75% to 85% of live LBMA melt value for karat scrap gold and up to 90%–95% for hallmarked 24k bullion.

For weekend appraisals and immediate cash settlements in Castro Valley, 9 local showrooms operate on Saturdays. Leading local buyers include Dr Hustin Whitman Gold and Jewelry, Golden Jewelry, Vortman's Fine Jewelry. Always weigh your items in grams at home first and compare at least two written verbal quotes before signing a bill of sale.

Oct 2026 Live Benchmark • Castro Valley, CA

Live Per-Gram Gold Melt Value vs. Castro Valley Jeweler Payouts (USD)

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Karat & Stamp	100% Pure Melt / Gram	Reputable Castro Valley Jeweler (75%–85%)	Est. Payout for 10g Chain/Ring
10k Gold (417 Stamp)	$36.84 / g	$27.63 – $31.31 / g	$276 – $313
14k Gold (585 Stamp)	$51.56 / g	$38.67 – $43.83 / g	$387 – $438
18k Gold (750 Stamp)	$66.30 / g	$50.39 – $57.02 / g	$504 – $570
22k Gold (916 Hallmarked)	$81.04 / g	$64.83 – $72.94 / g	$648 – $729
24k Fine Bullion (999.9)	$88.40 / g	$79.56 – $84.86 / g	$796 – $849

Quick Comparison: Top 🪙 Sell Gold & Diamonds Specialists in Castro Valley

Showroom Name	Location / Corridor	Rating & Reviews	Direct Phone
#1 Dr Hustin Whitman Gold and Jewelry	21754 Baywood Ave, Castro Valley, CA 94546, USA	⭐ 4.5 (32)	(937) 598-9103
#2 Golden Jewelry	20865 Redwood Rd, Castro Valley, CA 94546, USA	⭐ 3.9 (20)	(510) 885-1105
#3 Vortman's Fine Jewelry	19651 Center St, Castro Valley, CA 94546, USA	⭐ 4.8 (25)	(510) 537-3678
#4 R&J Jewelry Exchange	2861 Castro Valley Blvd, Castro Valley, CA 94546, USA	⭐ 4.7 (30)	(510) 274-5309
#5 Yarnal Jewelers	4029 E Castro Valley Blvd, Castro Valley, CA 94552, USA	⭐ 4.6 (30)	(510) 889-0828
#6 R&J Jewelry And Exchange	2861 Castro Valley Blvd, Castro Valley, CA 94546, USA	⭐ 4.4 (52)	(510) 274-5309
#7 Glorious Beads	2560 Castro Valley Blvd, Castro Valley, CA 94546, USA	⭐ 4.5 (40)	(510) 889-0366
#8 Gent Jay Jewelry	20211 Patio Dr STE 205, Castro Valley, CA 94546, USA	⭐ 4.5 (20)	(510) 614-1919

Verified Showrooms in Castro Valley, CA

#1 Verified Castro Valley Specialist ⭐ 4.5 (32 reviews)

Dr Hustin Whitman Gold and Jewelry

📍 21754 Baywood Ave, Castro Valley, CA 94546, USA

Dr Hustin Whitman Gold and Jewelry is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (937) 598-9103 🌐 Website

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#2 Verified Castro Valley Specialist ⭐ 3.9 (20 reviews)

Golden Jewelry

📍 20865 Redwood Rd, Castro Valley, CA 94546, USA

Golden Jewelry is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 885-1105

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#3 Verified Castro Valley Specialist ⭐ 4.8 (25 reviews)

Vortman's Fine Jewelry

📍 19651 Center St, Castro Valley, CA 94546, USA

Vortman's Fine Jewelry is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 537-3678

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#4 Verified Castro Valley Specialist ⭐ 4.7 (30 reviews)

R&J Jewelry Exchange

📍 2861 Castro Valley Blvd, Castro Valley, CA 94546, USA

R&J Jewelry Exchange is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 274-5309

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#5 Verified Castro Valley Specialist ⭐ 4.6 (30 reviews)

Yarnal Jewelers

📍 4029 E Castro Valley Blvd, Castro Valley, CA 94552, USA

Yarnal Jewelers is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 889-0828 🌐 Website

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#6 Verified Castro Valley Specialist ⭐ 4.4 (52 reviews)

R&J Jewelry And Exchange

📍 2861 Castro Valley Blvd, Castro Valley, CA 94546, USA

R&J Jewelry And Exchange is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 274-5309 🌐 Website

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#7 Verified Castro Valley Specialist ⭐ 4.5 (40 reviews)

Glorious Beads

📍 2560 Castro Valley Blvd, Castro Valley, CA 94546, USA

Glorious Beads is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 889-0366 🌐 Website

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#8 Verified Castro Valley Specialist ⭐ 4.5 (20 reviews)

Gent Jay Jewelry

📍 20211 Patio Dr STE 205, Castro Valley, CA 94546, USA

Gent Jay Jewelry is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (510) 614-1919 🌐 Website

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#9 Verified Castro Valley Specialist ⭐ 4.4 (9 reviews)

iTekken Store California

📍 21754 Baywood Ave, Castro Valley, CA 94546, USA

iTekken Store California is an esteemed jewelry showroom and custom design studio in Castro Valley. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (424) 221-8545

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Frequently Asked Questions: 🪙 Sell Gold & Diamonds in Castro Valley

Who pays the most for gold and diamonds in Castro Valley, CA?

Established fine jewelers and estate buyers in Castro Valley such as Dr Hustin Whitman Gold and Jewelry, Golden Jewelry, Vortman's Fine Jewelry consistently pay higher percentages (75%–85% of melt value) than pawn shops or mail-in gold services, because they refine or reuse precious metals directly in their own workshops.

What is 14k and 18k gold worth per gram in Castro Valley right now?

At current Oct 2026 spot benchmarks, 14k gold has a pure melt value of $51.56/gram (typical Castro Valley buyer payout: $38.67–$43.83/g), and 18k gold has a pure melt value of $66.30/gram (payout: $50.39–$57.02/g).

What ID is required to sell gold jewelry in Castro Valley?

All licensed second-hand precious metal dealers in Castro Valley, California require a valid government-issued photo ID (driver's license or passport) and must be 18+ years old to complete an immediate cash or check payout.

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Live Gold & Diamond Calculators

Use our free gemological tools before visiting any showroom in Castro Valley.

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