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Our Story

JTI Diamond Co. was founded in March 1991 in San Antonio, Texas, by Jim and Yolanda Turner. But their story began long before that moment—rooted in hard work, perseverance, and a passion for fine craftsmanship.

A Legacy Built on PassionJim’s journey started as a standout student, earning the title of valedictorian and being honored as one of the top three academic students in Dallas, Texas. His achievements in both academics and athletics earned him a prestigious scholarship to pursue law and sports at the University of Michigan. However, life had a different plan...

Client Stories

★★★★★

"I cannot recommend JTI Diamond Co. enough! From the moment I walked
in, I felt like family. The team took the time to listen to my vision
and brought it to life with a stunning custom engagement ring. Their
attention to detail, craftsmanship, and customer service are unmatched. I
will be a lifelong customer!"

Kelly R.
★★★★★

"Jim and his family have been my go-to jewelers for years. They
helped me find the perfect diamond, and the experience was seamless from
start to finish. Their knowledge and honesty set them apart from any
other jeweler I’ve visited. Highly recommend!"

Stephen P.
★★★★★

"JTI Diamond Co. made my heirloom redesign experience incredible.
Mariah and the team took my grandmother’s ring and transformed it into
something breathtaking while preserving its sentimental value. It was an
emotional and unforgettable experience, and I couldn’t be happier with
the results."

Krystal B.
★★★★★

"I have been a customer of JTI for over a decade, and every time I
visit, I am treated like family. Whether it’s a watch repair, a custom
piece, or just a cleaning, they go above and beyond to provide the best
service. Their expertise and integrity are why I’ll never go anywhere
else."

Larry D.
★★★★★

"Mariah was a pleasure to work with! She was so patient and
understanding when helping me design my custom piece. Her knowledge of
diamonds and gemstones made the process smooth and stress-free. The
final result was absolutely stunning, and I’ll definitely return for any
future jewelry needs."

Sara L.