Business Details
38 Years
experience
Your Trusted Jewelry Destination in Modesto
At Yates & CO Jewelers, we are driven by core values that define our approach to business. Since 1988, we have prioritized honesty, quality, and customer satisfaction in every transaction. Our commitment to transparency ensures clients receive lab-certified diamonds and jewelry built to last, avoiding the lightweight, low-quality products common in chain stores. With GIA-trained experts and a focus on independent diamond grading, we provide expert guidance for life's most meaningful purchases.Our dedication to customer-centric service includes lifetime warranties, diamond trade-in programs, and custom design options that reflect individuality. We reject high-pressure sales tactics, instead fostering trust through personalized consultations and fair pricing. As a family-owned business rooted in Modesto, California, we combine decades of gemological expertise with a passion for creating heirloom-quality pieces that stand the test of time.
Services
Engagement Rings
Wedding Bands
Custom Design
Jewelry Appraisals
Jewelry Repair
Lab Grown Diamonds
Vintage Jewelry
Permanent Jewelry
Diamond Trade-In
Financing Options
Details
- Year established: 1988
Highlights and features
- Lifetime diamond warranty and upgrade program
- GIA-trained experts with 35+ years of experience
- Transparent pricing with no fake sales tactics
- Custom design services for unique, personalized jewelry
- 5-star customer reviews for exceptional service
Associations and certifications
- Gemological Institute of America (GIA)
- National Association of Jewelry Appraisers (NAJA)
What people say
Beautiful diamonds
Excellent service
Knowledgeable staff
Unique pieces
Fair pricing
Services
Engagement Rings
We offer a curated selection of engagement rings featuring GIA-certified diamonds and lab-grown options. Our collection includes vintage-inspired designs, modern solitaires, and customizable settings. Each ring undergoes rigorous quality checks to ensure durability and brilliance, with pricing that avoids the excessive markups common in traditional retail.
Custom Design
Our custom design service transforms personal visions into unique jewelry pieces. Clients work directly with GIA-trained designers to create one-of-a-kind engagement rings, heirloom reproductions, or personalized gifts. The process combines traditional craftsmanship with modern technology, ensuring precise execution of intricate details while maintaining ethical sourcing standards.
Vintage Jewelry
Our vintage collection features authenticated estate jewelry from the 1920s-1950s, including Art Deco and Retro Era pieces. Each item receives professional restoration while preserving historical integrity. Customers benefit from expert appraisals and documentation of provenance, making these timeless pieces both sentimental and investment-worthy additions to any collection.
Jewelry Repair
We provide comprehensive repair services for all jewelry types, including resizing, prong replacement, and clasp repairs. Our technicians use precision tools to maintain structural integrity while preserving aesthetic details. The service includes complimentary inspections and a lifetime maintenance guarantee for jewelry purchased through Yates & CO Jewelers.
Lab Grown Diamonds
Our lab-grown diamond collection offers ethically produced alternatives to mined diamonds. Available in various cuts and sizes, these stones match natural diamonds in chemical and optical properties. Customers receive GIA certification for all stones over 1 carat, with pricing that reflects their environmentally conscious production process.
People
Ron Yates
Founder
With over 35 years in the jewelry industry, Ron Yates & CO Jewelers specializes in coin expertise and custom design. He transitioned from rare coin trading to jewelry in 1988, developing a reputation for honest appraisals and estate jewelry acquisitions.
Mechelle Yates
Graduate Gemologist
A GIA-certified Graduate Gemologist, Mechelle Yates & CO Jewelers manages inventory and appraisals while curating the store's vintage collection. She contributes expertise in estate jewelry valuation and maintains membership in the National Association of Jewelry Appraisers.
Ashton Yates-Woolley
Diamondologist
As a GIA-accredited jewelry professional, Ashton assists customers in selecting engagement rings and diamonds. Their graphic design background enhances visual merchandising efforts while maintaining a customer-focused approach to sales consultations.
Marissa Stewart
Customer Happiness Engineer
Marissa oversees quality control for repairs and shipments while providing personalized customer support. Her Accredited Jewelry Professional certification from GIA enhances her ability to guide clients through complex purchasing decisions.
Justice Ceballos
Store Cheerleader
Justice manages behind-the-scenes operations to ensure smooth customer experiences. Their role combines administrative support with maintaining the store's positive atmosphere, contributing to overall service efficiency.
Questions
Do you offer financing options for jewelry purchases?
Yes, we provide flexible financing through our 'Sparkle Now, Pay Later' program with approved credit. Terms vary based on purchase amount and customer qualifications.
Can I customize an engagement ring design?
Absolutely. Our custom design service lets you create unique rings using existing pieces or original concepts. GIA-trained designers work with you through every production stage.
What's the difference between lab-grown and mined diamonds?
Lab-grown diamonds share identical chemical and optical properties with mined diamonds but cost 30-40% less. Both options undergo GIA certification for stones over 1 carat.
Do you buy used jewelry or diamonds?
Yes, we purchase estate jewelry and diamonds from private sellers. Our appraisal process considers current market values and condition to offer competitive rates.
What warranty protections apply to purchases?
All jewelry includes a lifetime warranty covering manufacturing defects. We also offer a diamond trade-in program and lifetime maintenance services for pieces purchased here.
Are appointments required for in-store visits?
Appointments aren't mandatory but recommended for groups of three or more. Individual customers typically receive walk-in service while maintaining personalized attention.
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