Jonathan’s Fine Jewelers

History

Established in 1993.

Since 1991 Jonathan’s Fine Jewelers has been quietly collecting, designing and providing the finest quality custom jewelry and diamonds to Houston and the surrounding areas. Built on word of mouth and reputation, Jonathan’s now has one of the largest inventories of loose diamonds in the city and is the go-​to jeweler for all custom designed pieces of jewelry.

Hanging a shingle on a door, Jonathan Siegel found an untapped niche in the Houston jewelry market by buying estate pieces of jewelry and diamonds from individuals and then selling those pieces to his contacts all over the country. Although Jonathan is no stranger to the jewelry business and is a third generation jeweler, he knew the key was to provide a service that no one else offered.

Jonathan’s Fine Jewelers has been built on sweat equity, word of mouth, love of diamonds and a will to succeed. If you need to sell a diamond, piece of estate jewelry or high-​end watch, you will get the highest price from Jonathan’s, and if yo

Meet the Business Owner

Sergio N.

Business Owner

Sergio Nuncio is a self-​taught diamond buyer, watch collector and estate jeweler. in 1991, at the age of 19, Sergio Nuncio and Jonathan Siegel became partners and began Jonathan’s Fine Jewelers. While Jonathan was selling the diamonds, Sergio was busy finding the diamonds to buy, and the dream team started to thrive.

Sergio is smart, determined, fair, fun, warm, thoughtful and honest. He has never had a client walk out of his office who has had a bad experience. His specialty is the buying of diamonds from wholesalers and individuals, as well as buying estate jewelry and high end vintage watches for resale. Sergio is also building the eBay store, where you can shop online for all of Jonathan’s Fine Jewels ²⁴⁄₇ from the comfort of your home.