Setting the standard for service since 1945.
Our award-winning team of jewelers is trained and certified, led by third-generation family member Tyson Lewis. We are conflict-free and against the importation of conflict diamonds. We fully support and are 100% compliant with The Kimberley Process and The Clean Diamond Trade Act.
We follow a rigid policy that ensures the diamonds we purchase are mined and distributed under the highest ethical standards. We offer a variety of services and specialties for the convenience of our customers, each rooted in values that have been instilled in our family since 1945.
Our team is ready to bring your dream to life, from jewelry repairs and stone settings to intricate designs and custom pieces. Read our story to learn more about how our family business has served the Central Valley for more than 75 years.
Jewelry Repairs
& Cleaning
Lewis Diamond Co. is equipped with the latest technology for jewelry repairs and maintenance in-house. When you choose to trust us with your jewelry, we take an opportunity to educate you about your jewelry, showing you distinct qualities in the stones and locating engraved identifications. Come in for an evaluation today—no appointment necessary.
01
Professional Jewelry Cleaning
During a professional jewelry cleaning, our master jewelers inspect your treasured pieces for damage, loose stones, and uneven wear and tear. This allows us to make honest recommendations for any issues, whether they should be addressed right away or can wait for a later date.
01
Professional Jewelry Cleaning
During a professional jewelry cleaning, our master jewelers inspect your treasured pieces for damage, loose stones, and uneven wear and tear. This allows us to make honest recommendations for any issues, whether they should be addressed right away or can wait for a later date.
02
Jewelry Repairs & Refurbishment
Some pieces need additional attention or care after a cleaning. Our team can complete most repairs in-house, which means your treasured piece will be ready in a couple of days instead of a couple of weeks, never leaving our store in the process.
02
Jewelry Repairs & Refurbishment
Some pieces need additional attention or care after a cleaning. Our team can complete most repairs in-house, which means your treasured piece will be ready in a couple of days instead of a couple of weeks, never leaving our store in the process.
Additional Services
& Specialties
Come in for an evaluation today—no appointment necessary.
01
Custom Jewelry Design
If you’ve been dreaming of a design that doesn’t exist in our inventory, we’ll help you bring it to life. From wedding sets to fashion pieces, our team is equipped to combine your preferences with the highest quality work. Come in for a consultation with one of our master jewelers to explore the endless possibilities for your custom jewelry design.
01
Custom Jewelry Design
If you’ve been dreaming of a design that doesn’t exist in our inventory, we’ll help you bring it to life. From wedding sets to fashion pieces, our team is equipped to combine your preferences with the highest quality work. Come in for a consultation with one of our master jewelers to explore the endless possibilities for your custom jewelry design.
02
Diamond Upgrade Program
At Lewis Diamond Co., our customers are our family! If you purchase diamond studs or an engagement ring with a diamond center stone from Lewis Diamond Co., you can come back any time for an upgrade. Through our special program, you can retain the value of the original diamond and use it towards your upgrade. You can even change the shape of the stone if your style or taste has changed.
02
Diamond Upgrade Program
At Lewis Diamond Co., our customers are our family! If you purchase diamond studs or an engagement ring with a diamond center stone from Lewis Diamond Co., you can come back any time for an upgrade. Through our special program, you can retain the value of the original diamond and use it towards your upgrade. You can even change the shape of the stone if your style or taste has changed.
03
Wholesale Plus Pricing
Since 1990, we have offered wholesale plus pricing to reflect our commitment to providing customers with the best value for their money. The majority of our inventory is 30-50% lower than the suggested retail price, meaning you can have the impeccable quality of the designer jewelry brands you love without overspending.
03
Wholesale Plus Pricing
Since 1990, we have offered wholesale plus pricing to reflect our commitment to providing customers with the best value for their money. The majority of our inventory is 30-50% lower than the suggested retail price, meaning you can have the impeccable quality of the designer jewelry brands you love without overspending.