Gem City Jewelers, located at 420 S Myrtle Ave Ste A, Monrovia, CA 91016, is renowned for its expert engagement ring creation services. With a stellar rating of 4.9 from 283 reviews, this jeweler is known for its custom designs, high-quality diamonds, and exceptional customer service. The talented staff, including Sarven and Greg, demonstrate a commitment to making each engagement ring a unique and cherished piece. Customers have praised the professionalism and warmth of the staff, noting the emphasis on personal attention and ensuring clients' visions come to life. The store offers a range of services including jewelry repair, watch services, and custom design, making it a comprehensive destination for all jewelry needs in Los Angeles County.

Operating hours are as follows:
- Monday: 2:00 PM - 7:00 PM
- Tuesday: 10:00 AM - 7:00 PM
- Wednesday: 10:00 AM - 7:00 PM
- Thursday: 10:00 AM - 7:00 PM
- Friday: 10:00 AM - 7:00 PM
- Saturday: Closed
- Sunday: Closed

Overall Sentiment from Online Customer Reviews:
Positive sentiments account for 90%, reflecting a high level of customer satisfaction regarding service and quality. Neutral feedback comprises about 5%, indicating occasional discrepancies in service experiences. Negative sentiments represent approximately 5%, highlighting some concerns over pricing and service delays.

Best Review:
A customer commended the incredible craftsmanship and attentive service for an engagement ring design. They particularly appreciated the thorough explanations regarding diamond quality and the commitment to ensure the final product surpassed their expectations, as noted by Pamela.

Worst Review:
A negative review raised concerns about dishonesty in pricing and delays in service, suggesting a lack of transparency in the repair process and suggesting the need for improvement in customer communication, highlighted by Michela.

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