Mark's Diamonds, located at 3033 E 1st Ave Ste 503, Denver, CO 80206, is a distinguished jeweler renowned for its exceptional engagement ring creation services. With over 70 reviews, this family-owned business, founded by Mark and Nataliya Hadley, prioritizes customer satisfaction and personalized service. The team, including the knowledgeable Bobby and the welcoming Ashley, helps clients navigate the often overwhelming process of selecting the perfect diamond and setting, ensuring a custom design that aligns with individual styles and budgets. They are known for their broad selection of both natural and lab-created diamonds and their commitment to fair pricing without the high overhead of traditional retailers.

Operating hours are as follows:

| Day | Hours |
|-----------|----------------|
| Monday | 9:00 AM - 5:00 PM |
| Tuesday | 9:00 AM - 6:00 PM |
| Wednesday | 9:00 AM - 6:00 PM |
| Thursday | 9:00 AM - 6:00 PM |
| Friday | 9:00 AM - 6:00 PM |
| Saturday | 11:00 AM - 2:00 PM |
| Sunday | Closed |

Overall Sentiment from Online Customer Reviews:
The sentiment toward Mark's Diamonds is overwhelmingly positive, with approximately 93% of reviewers expressing satisfaction with their engagement ring purchasing experience. Neutral feedback accounts for around 5%, while about 2% of reviews reflect negative sentiments.

Best Review:
Caleb shared that Mark's Diamonds provided superior customer service, where the team treated him respectfully, ensuring his budget was honored while creating a beautiful custom ring for his fiancé.

Worst Review:
Kelly expressed dissatisfaction over a lack of professionalism regarding a return policy, saying she felt her queries were not taken seriously, which led to a disappointing experience in attempting to rectify an issue with her ring.

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