Precious Jewelry Co. is a premier jeweler located at 1475 S Harbor Blvd, Ste A-5, Fullerton, CA 92832, known for its exceptional engagement ring creation and personalized customer service. With a strong reputation, the store has garnered a high rating of 4.9 from 71 reviews. Customers often commend the expertise and friendliness of the staff, particularly Nancy, the owner, and Cindi. They offer a wide array of services including custom ring design, diamond selection, and ring resizing, all performed on-site for convenience.

Customers appreciate the attention to detail and care taken during the engagement ring creation process. Many have praised Nancy for her knowledge, navigating intricate requests while remaining budget-conscious. However, some negative feedback has emerged regarding mismatches in diamond certifications and product quality concerns, which potential customers should consider.

Overall Sentiment from Online Customer Reviews:
- Positive: 90%
- Neutral: 8%
- Negative: 2%

Highlight Reviews:
Best Review: A customer highlighted Nancy's patience and attentiveness, stating that she provided immense guidance in selecting a beautiful, custom-designed engagement ring that their fiancée absolutely loved.

Worst Review: One reviewer mentioned issues regarding diamond certification mismatches, suggesting a lack of trust in the documentation provided, leading to dissatisfaction.

* For this overview, customer feedback was viewed on Yelp, Google, and Facebook.

**Operating Hours:**
| Day | Hours |
|-----------|----------------------|
| Monday | Closed |
| Tuesday | 11:00 AM - 6:00 PM |
| Wednesday | 11:00 AM - 6:00 PM |
| Thursday | 11:00 AM - 6:00 PM |
| Friday | 11:00 AM - 6:00 PM |
| Saturday | 11:00 AM - 5:00 PM |
| Sunday | 11:00 AM - 5:00 PM |

Staff members mentioned include Nancy and Cindi.