About Gemstone Vineyard
Gemstone Vineyard was founded in 1997 by Suzie and Paul Frank on a 17-acre property they purchased in 1992 after searching for rocky, bench-land soil with west-facing exposure. The estate sits in a narrow slice of the Yountville appellation bordering Oakville and the Stags Leap District.
Originally planted mostly to Chardonnay, the vineyard was replanted primarily to Cabernet Sauvignon along with Cabernet Franc, Merlot and Petit Verdot. Ownership has changed twice since founding, to tech executive Michael and Carole Marks in 2008, then to petroleum engineer and JDH Capital CEO Jason Rebrook in 2023, with winemaking led over the years by Philippe Melka, Thomas Brown and now Julian Fayard.
Gemstone has changed hands twice since 1997 and now makes about 2,000 cases a year under winemaker Julian Fayard.
What Wino Notion Loved
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Two ownership changes since 1997Founded by Suzie and Paul Frank; sold to Michael and Carole Marks in 2008, then to Jason Rebrook in 2023.
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Bench-land site bordering OakvilleThe 17-acre estate sits in a narrow strip of the Yountville AVA next to Oakville and Stags Leap District.
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No public tasting programGemstone sells mainly through an allocation list rather than hosting public visits.
"Gemstone Vineyard is an active, allocation-driven Yountville-area estate with a notable winemaking pedigree, but it publishes no public tasting program, visits, if any, are not advertised."
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Featured Wines
CABERNET SAUVIGNON
Heritage Collection Cabernet Sauvignon
Current release · Yountville, Napa Valley
One of Gemstone's limited estate Cabernet Sauvignon bottlings.
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CABERNET SAUVIGNON
Ruby Barrel Selection Cabernet Sauvignon
Current release · Yountville, Napa Valley
A limited barrel-selection Cabernet Sauvignon from the estate.
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CHARDONNAY
Gemstone Estate Chardonnay
Current release · Yountville, Napa Valley
A small-lot Chardonnay from the original block still planted on the property, roughly 50 cases a year.
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Wine names confirmed via gemstonevineyard.com and napawineproject.com, July 2026; the estate does not publish current vintages or pricing publicly, selling primarily through an allocation list.
Tasting Experiences
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