Discover GIA-certified diamonds, fine jewelry, engagement rings, and wedding bands with custom design and full-service diamond brokerage expertise.

Rooted in generations of expertise, our fine jewelry boutique and bespoke design house brings every stage of creation under one roof. From initial concept to final completion, we ensure each piece embodies exceptional quality, craftsmanship, and enduring beauty. Our vertically integrated model removes unnecessary middle layers, curating thoughtfully sourced materials into refined, finished pieces designed to delight.

We take pride in guiding clients through meaningful milestones—collaborating on heirloom-quality designs that honor life’s most important moments. It is an immense privilege to bring your vision to life with precision, care, and artistry.

At Diamond Brokers of Los Altos, we honor the tradition, love, and brilliance that diamonds represent. We offer GIA-certified loose diamonds, custom engagement rings, wedding bands, and fine jewelry at the most competitive prices in the market. Beyond curating and crafting exceptional jewelry, we believe in sharing knowledge and insight honed through decades in the trade.

You are always welcome to visit us for a complimentary cleaning and inspection. We proudly serve the Bay Area from our Los Altos location and our San Francisco boutique, Union Street Jewelers. Learn more about us here. 

Our Services: 

• Curated Collections
• Bespoke Designs
• Engagement Rings & Wedding Bands
• GIA-Certified Diamonds & Gemstones
• Specific Sourcing
• In-House Manufacturing
• Consultation and Concierge Advisory
• Appraisals
• Sell or Upgrade Your Diamonds, Gemstones, Jewelry, and Gold
• Ongoing Maintenance
• Repairs of Any Piece in Your Collection (including polishing, restringing, resizing, and stone matching)

No ask is too small and no desire is too grand.