Cornerstone Jeweler
📍 105 La Cruz Ave, Millbrae, CA 94030, USA
Cornerstone Jeweler is an esteemed jewelry showroom and custom design studio in Millbrae. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.
Compare 5 verified brick-and-mortar gold buyers, estate jewelers, and GIA diamond dealers along 105 La Cruz Ave, 104 Upper Loop Rd, 301 Broadway, 400 Broadway (covering postal codes 94030) — plus live USD per-gram melt values so you never accept a lowball pawn shop offer.
Whether you are liquidating broken 14k gold chains, inherited estate rings, 22k/24k gold bullion coins, or GIA-graded loose diamonds in Millbrae, California, payout percentages vary dramatically between street-level pawn brokers and established fine jewelers along 105 La Cruz Ave, 104 Upper Loop Rd, 301 Broadway, 400 Broadway. Across our directory's 5 verified showrooms in Millbrae (130 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 Millbrae, 3 local showrooms operate on Saturdays and 2 open on Sundays. Leading local buyers include Cornerstone Jeweler, Millbrae Jewelers, Numis International Inc.. Always weigh your items in grams at home first and compare at least two written verbal quotes before signing a bill of sale.
| Karat & Stamp | 100% Pure Melt / Gram | Reputable Millbrae 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 |
| Showroom Name | Location / Corridor | Rating & Reviews | Direct Phone |
|---|---|---|---|
| #1 Cornerstone Jeweler | 105 La Cruz Ave, Millbrae, CA 94030, USA | ⭐ 4.9 (12) | (650) 697-8126 |
| #2 Millbrae Jewelers | 400 Broadway, Millbrae, CA 94030, USA | ⭐ 4.6 (20) | (650) 697-2685 |
| #3 Numis International Inc. | 301 Broadway, Millbrae, CA 94030, USA | ⭐ 4.3 (48) | (650) 697-6570 |
| #4 Swarovski | 104 Upper Loop Rd, Millbrae, CA 94030, USA | ⭐ 4.4 (21) | (650) 444-1920 |
| #5 Swanheart Jewelry (Etsy) | 234 Broadway, Millbrae, CA 94030, USA | ⭐ 4.2 (29) | (650) 389-3866 |
📍 105 La Cruz Ave, Millbrae, CA 94030, USA
Cornerstone Jeweler is an esteemed jewelry showroom and custom design studio in Millbrae. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.
📍 400 Broadway, Millbrae, CA 94030, USA
Millbrae Jewelers is an esteemed jewelry showroom and custom design studio in Millbrae. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.
📍 301 Broadway, Millbrae, CA 94030, USA
Numis International Inc. is an esteemed jewelry showroom and custom design studio in Millbrae. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.
📍 104 Upper Loop Rd, Millbrae, CA 94030, USA
Swarovski is an esteemed jewelry showroom and custom design studio in Millbrae. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.
📍 234 Broadway, Millbrae, CA 94030, USA
Swanheart Jewelry (Etsy) is an esteemed jewelry showroom and custom design studio in Millbrae. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.
Established fine jewelers and estate buyers in Millbrae such as Cornerstone Jeweler, Millbrae Jewelers, Numis International Inc. 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.
At current Oct 2026 spot benchmarks, 14k gold has a pure melt value of $51.56/gram (typical Millbrae 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).
All licensed second-hand precious metal dealers in Millbrae, 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.
Use our free gemological tools before visiting any showroom in Millbrae.