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RO + Top Notch Faceting

A one-of-one collection of extraordinary hand-cut sapphires and antique diamonds.

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Hayes Valley Showroom

Visit our Hayes Valley showroom to explore our one-of-one fine jewelry, exceptional natural diamonds and gemstones, Loose Gem Library, and thoughtfully curated collection of vintage and estate jewelry. Whether you're discovering something special or exploring a custom piece, we look forward to welcoming you.


Appointments are highly recommended for a personalized experience. Walk-ins are welcome as time allows.