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.
Schedule formal insurance replacement appraisals, estate probate valuations, and GIA laser-inscription verifications with accredited gemologists in Millbrae along 105 La Cruz Ave, 104 Upper Loop Rd, 301 Broadway, 400 Broadway (covering postal codes 94030).
Whether you need a scheduled rider policy for homeowners insurance (Jewelers Mutual, Chubb, Vault), an equitable estate division report, or independent pre-purchase verification of a loose diamond in Millbrae, California, working with a credentialed gemologist (GIA GG, NAJA, or ASA) ensures your documentation is accepted by all major underwriters.
Across Millbrae, 5 verified showrooms along 105 La Cruz Ave, 104 Upper Loop Rd, 301 Broadway, 400 Broadway provide written gemological appraisals, led by Cornerstone Jeweler, Millbrae Jewelers, Numis International Inc..
| Appraisal Type | Typical Millbrae Fee | What Is Included |
|---|---|---|
| Insurance Replacement Valuation (Per Item) | $95 – $165 | Karat gram weight, 4Cs grading, macro photos & signed retail replacement certificate |
| Estate, Probate & Fair Market Valuation | $95 – $165 / hr | Secondary-market liquidation & estate tax schedule documentation |
| GIA Laser Inscription & Diamond Verification | $20 – $45 | Microscope girdle verification + HPHT/CVD synthetic screening while you watch |
| 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.
In Millbrae, a formal written insurance jewelry appraisal typically costs $95 – $165 per piece, with discounted hourly or multi-item rates for large inherited estate collections.
Yes. Reputable gemological studios in Millbrae such as Cornerstone Jeweler, Millbrae Jewelers, Numis International Inc. offer by-appointment "while-you-watch" appraisals so your ring never leaves your sight.
Use our free gemological tools before visiting any showroom in Millbrae.