Gold pendant necklace on silk

Est. San Juan, Texas · Custom Jewelry

Heirlooms, handmade
at the workbench.

For three decades, Humberto C. Grimaldo has shaped chains, mounted diamonds and restored what time forgets — one piece at a time.

14k & 18k Gold Diamond Setting Watch Repair Name Plates Cuban & Cartier Weaves Family-run since day one 14k & 18k Gold Diamond Setting Watch Repair Name Plates Cuban & Cartier Weaves Family-run since day one 14k & 18k Gold Diamond Setting Watch Repair Name Plates Cuban & Cartier Weaves Family-run since day one

Servicios · Services

What the bench
can do for you.

From the first sketch of a custom piece to the quiet click of a fresh watch battery — every service is performed in-house by hand, in San Juan.

01

Custom Chains, Rings & Name Plates

Echura de Cadenas, Anillos y Nombres

02

Chino, Cubano & Cartier Weaves

Tejido Chino, Cubano y Cartier

03

Diamond Setting

Montado de Diamantes

04

Watch Batteries & Pins

Pilas y Pernos para Reloj

Jeweler at the bench

The Atelier

Humberto C.
Grimaldo.

"He does excellent work — the best I've seen from Texas to California and North Carolina."

What began as a single workbench in the Rio Grande Valley has become a quiet institution. Locals bring broken heirlooms, wedding rings to resize, and Hermès bracelets to restore — and they leave with stories.

4.7

Google Rating

15+

Reviews

1000s

Pieces Restored

The Collection

Pieces that
live with you.

Gold cuban chain, ring and name plate
Custom Name PlatesMade to order
Diamond solitaire ring
Diamond SettingMontado
Watch repair
Watch ServicePilas y Pernos

From our clients

Words from
the counter.

4.7/5

15 Google Reviews

★★★★★

"Trustworthy repair shop. Mr. Grimaldo is very professional and dedicated to his skill. I've taken 5 watches and a Hermès bracelet for services with rapid service."

Hermy Gutierrez

Local Guide

★★★★★

"Love their silver name plates and necklaces. I've had mine for 3 years and shower with it every day — still beautiful. Highly recommend."

Priscilla Guerra

Client

★★★★★

"He fixed my gold bracelet that had broken in just a few minutes. Speedy and kind service."

Kelly Longoria

Client

★★★★★

"Excellent work — the best I've seen from Texas to California and North Carolina."

Marcelo Grimaldo

Client

Visit · Visítenos

Stop by the
workshop.

Address

406 N Nebraska Ave, Ste "B"
San Juan, TX 78589

Hours

Monday – Saturday
9:00 AM – 6:00 PM

Master Jeweler

Humberto C. Grimaldo

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