Diamond Diagnostics Reviews

3.9

77% would recommend to a friend

(74 total reviews)

Steven Kovacs

76% approve of CEO

75% positive business outlook

Diamond Diagnostics has an employee rating of 3.9 out of 5 stars, based on 74 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Diamond Diagnostics employee rating is in line with the average (within 1 standard deviation) for employers within the Manufacturing industry (3.5 stars).

Reviews by job title

74 reviews
1.0
26 Jun 2026
Recommend
CEO approval
Business outlook

Pros

Employees are generally nice. The toxicity brings everyone together.

Cons

So many.. the narcissistic is comically unhinged. Funny until you hear the verbal abuse to really anyone that he decides. I knew on day one possibly two I would stay long. It’s a toxic abusive place where bullying is constant all day. They can’t keep employees, but if the ey do it’s because they’ve throw money at the employee so they stay BUT still hate the place and will eventually leave. I thought I was on a bizarre version of the office.. except it’s unhealthy, toxic with no humor. I didn’t read the reviews and I should have.

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Diamond Diagnostics Response
12h
We take all employee feedback seriously, whether positive or negative. While we understand that not every employee's experience will be the same, we are disappointed by statements presented as fact that are simply inaccurate. In particular, the suggestion that positive employee reviews are written by our HR department is false. This employer response is being written by the "HR guy" and I can confirm that I do not make false posts on Glassdoor.
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Glassdoor has 77 Diamond Diagnostics reviews submitted anonymously by Diamond Diagnostics employees. Read employee reviews and ratings on Glassdoor to decide if Diamond Diagnostics is right for you.