Coy's Jewelers, also known as the Diamond Gallery, is a family-owned jewelry store located at 80 SE 2nd St, Suite 1, Ontario, OR 97914. The business specializes in engagement ring creation, offering a wide range of services including in-house jewelry repair, custom design, and appraisals. Customers have highlighted the expertise of the staff, particularly noting the quality of their craftsmanship in creating personalized engagement rings.

Operating hours are as follows:
- Monday: Closed
- Tuesday: 10:00 AM - 5:30 PM
- Wednesday: 10:00 AM - 5:30 PM
- Thursday: 10:00 AM - 5:30 PM
- Friday: 10:00 AM - 5:30 PM
- Saturday: 10:00 AM - 3:00 PM
- Sunday: Closed

Overall sentiment from online customer reviews:
Positive: 100%
Neutral: 0%
Negative: 0%

With a total of 4 reviews compiled, feedback from customers consistently reflects a highly favorable view of the store's services. Reviewers often praise the friendly, professional atmosphere and the exceptional quality of the custom pieces created.

Best Review: Cherline shared her enthusiasm for the store's ability to create a custom anniversary band to complement her existing wedding band. She appreciated the attention to detail, from the design mold to the final product, and was pleasantly surprised by the quick turnaround and reasonable cost.

Worst Review: No negative reviews were found to summarize.

*For this overview, customer feedbacks were viewed on Yelp, Google, and Facebook.

Staff members include Coy Mott, owner.