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 high-purity 22k (916 hallmarked) bridal showrooms, 21k gold boutiques, and 24k bullion coin/bar dealers in Millbrae along 105 La Cruz Ave, 104 Upper Loop Rd, 301 Broadway, 400 Broadway (covering postal codes 94030).
For shoppers seeking high-purity 22k (916 hallmarked) Indian, South Asian, Middle Eastern 21k, or 24k investment bullion jewelry in Millbrae, California, transparent weight-based pricing is essential. Reputable high-karat showrooms calculate retail prices using the formula: (Live 22k Gold Rate per Gram × Item Weight in Grams) + Making Charge (8%–16%).
Our directory tracks 5 verified fine jewelers in Millbrae along 105 La Cruz Ave, 104 Upper Loop Rd, 301 Broadway, 400 Broadway, led by Cornerstone Jeweler, Millbrae Jewelers, Numis International Inc.. Check the live Oct 2026 22k and 24k gram rates below before visiting a showroom.
| Gold Purity & Hallmark | Live Intrinsic Rate / Gram | 10 Gram Tola / Bangle Base Gold Value | Typical Making Charge |
|---|---|---|---|
| 24k Pure Bullion (999.9 Bars/Coins) | $88.40 / g | $884 | 2% – 5% Mint Premium |
| 22k Bridal Gold (916 BIS Hallmark) | $81.04 / g | $810 | 8% – 16% (By Craftsmanship) |
| 18k Fine Diamond Mounting Gold (750) | $66.30 / g | $663 | 12% – 22% |
| 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, the live intrinsic melt rate for 22k (916 purity) gold is $81.04 per gram ($810 per 10 grams) before retail making charges.
Always look for the laser-engraved 916 or 22K hallmark stamp, request an itemized invoice showing exact net gold weight in grams separate from stone weight, and ask for XRF spectrometer testing.
Use our free gemological tools before visiting any showroom in Millbrae.