(805) 466-7248

OPEN Mon-Fri 10:00AM-5:30PM

OPEN Sat 10:00AM-3:00PM

We will be closed for Labor day Sept. 2nd


Our Team

With our focus on customer service, K.Jons Diamonds & Gems has one of the most professional sales staff of any store on the central coast. All members of our staff are encouraged to take courses and attend conferences from a variety of industry leaders. In addition to courses taken through the Gemological Institute of America (GIA) and the American Gem Society (AGS), our staff frequently attends conferences and seminars, and stays current with industry publications. Titles held by our staff include Certified Gemologist Appraiser (AGS), Certified Gemologist (AGS), Graduate Gemologist (GIA), Graduate Jeweler Gemologist (GIA), Registered Jeweler (AGS), Certified Sales Associate (AGS), Accredited Jewelry Professional (GIA), and Diamond Grading (GIA). All AGS titleholders are tested annually to ensure up to date industry knowledge.

In-House Jewelry Repair

K.Jons Diamonds & Gems has done in-house jewelry repairs in Atascadero since 1980. We currently have two fully qualified bench jewelers with over 50 years of combined experience. We have state-of-the-art equipment and tools that enable us to repair jewelry professionally and efficiently. Our bench jewelers have taken extensive courses throughout the years, including courses in advanced stone setting, platinum fabrication and repairs, and advanced tools for jewelers, as well as courses in diamonds and colored stones. Click here to learn more.

Custom Jewelry Design

Custom jewelry design has always been a strong element of K.Jons Diamonds & Gems. Bring us your ideas and we will work with you to create a unique jewelry item that is truly something special. Working in platinum, gold, and silver, our jewelers create high quality, detail-oriented custom jewelry for any occasion. We can create something entirely from scratch, as well as work with your existing stones or jewelry items. Click here to learn more.

Certified Gemologist Appraisers

K.Jons Diamonds & Gems is proud to staff San Luis Obispo county's only two Certified Gemologist Appraisers (AGS). This is the highest level of education possible for appraisers. In addition, he has earned the title of Graduate Gemologist (GIA), Certified Gemologist (AGS) and Registered Jeweler (AGS). Our appraisers have extensive industry and gemological knowledge. Continuing education keeps them current on gemological values and trends. Click here to learn more.