Palladium Fine Jewelry, located at 1339 Main Street, St. Helena, CA 94574, is renowned for its exceptional engagement ring creation services. With a strong reputation built over decades, Palladium Fine Jewelry specializes in handmade platinum and diamond engagement rings, drawing inspiration from the timeless beauty of antique designs. The experienced staff, led by owners Wayne and Marcus, provide personalized customer service in a welcoming atmosphere. Clients appreciate the curated selection of designer jewelry alongside unique custom creations crafted in their in-house studio.

The store operates within Napa County and offers additional services such as jewelry repairs and same-day delivery, catering to diverse customer needs. The operating hours are as follows:

| Day | Hours |
|-----------|-------------------------|
| 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 - 5:30 PM |
| Sunday | Closed |
| Monday | Closed |

Overall sentiment from online customer reviews:
- Positive: 85%
- Neutral: 10%
- Negative: 5%

The reviews reflect a generally favorable atmosphere, with many customers praising the knowledgeable staff and the quality of the jewelry, while only a few negative experiences are mentioned.

Best Review: Erika noted that her husband custom-made her engagement ring at Palladium, and she expressed immense happiness with the design and the compliments she receives when wearing it.

Worst Review: A customer, Karen, remarked on a negative experience regarding honesty about the sourcing of her engagement ring, but still highlighted a nice selection available in the store.

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

Staff members mentioned include Wayne and Marcus.