

Find Clarity for the Path Ahead
Comprehensive Autism, ADHD, Learning & Psychological Evaluations for Children and Adults

At Diamond Therapy & Assessment we take pride in our personalized, thorough, and neurodiversity-affirming approach and strive to help clients feel understood and supported every step of the way.
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Whether you are seeking answers for your child or for yourself, comprehensive evaluation can provide clarity and direction.
ABOUT Dr. Diamond
Hello, I'm Dr. Jillian Diamond! I am a licensed clinical psychologist who specializes in supporting children, adolescents, and young adults through individual psychotherapy and comprehensive psychological evaluations.
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I believe in providing evidence-based therapy that is collaborative and flexible to meet your needs and goals. I use an Integrative Therapy approach which allows us to create customized treatment plans and interventions tailored to your needs. I prioritize providing a safe, non-judgmental and identity-affirming space where you can share, learn, and grow.
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In my free time, I enjoy practicing the values of finding joy and living a balanced life. I do this by getting outside (walking, gardening, skiing, camping, etc.), reading, and spending time with my family.
EDUCATION
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Colorado Licensed Psychologist #4942
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University of Denver, 2017, Doctorate in Clinical Psychology (PsyD)
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University of Denver, 2014, Masters of Arts in Clinical Psychology
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University of Vermont, 2010, Bachelors of Science in Human Development & Family Studies

Therapy

CHILD & ADOLESCENT EVALUATIONS
Do you feel your child is misunderstood or wonder what is at the root of challenging behaviors, emotions, or learning struggles? Do you feel overwhelmed by questions about diagnosis, types of therapy, or support options, and wish you had a clear roadmap forward? If you are a parent seeking insight into your child's development, I am here to help you find clarity in the path ahead.
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I offer comprehensive diagnostic evaluations across the lifespan, starting with toddlers as young as 18 months with a specialty in neurodiversity. My approach goes beyond a simple "yes" or "no" diagnosis; I strive to provide insight into your unique concerns and needs. Using evidence-based assessment tools, I take time to explore your child's unique strengths and needs. My collaborative, supportive approach ensures you feel truly heard, respected, and empowered. By the end of our evaluation, you’ll have a custom report that’s easy to understand and includes actionable recommendations tailored to your family.
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Comprehensive evaluations can assess for a variety of diagnoses including (but not limited to):
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Autism
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Attention-Deficit/Hyperactivity Disorder (ADHD)
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Learning Disorders (e.g. Dyslexia)
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Cognitive/IQ
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Mood Disorders (e.g. Depression, Anxiety, Bipolar, etc.)
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Therapy

ADULT EVALUATIONS
Do you feel like you’ve spent years trying to understand why certain things feel harder for you than they seem for others? Have you struggled with focus, organization, social connection, sensory overwhelm, or burnout and wondered whether Autism, ADHD, or another difference might help explain your experience? If you are seeking deeper self-understanding and clarity, I am here to help you find direction in the path ahead.
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I offer comprehensive diagnostic evaluations for adults seeking clarity about their brain, emotions, and behavior. My approach goes beyond a simple "yes" or "no" diagnosis; I strive to provide meaningful insight into your lived experience. Using evidence-based assessment tools, I take time to understand your history, strengths, and patterns across settings. My collaborative, supportive approach ensures you feel heard, respected, and understood throughout the process. By the end of our evaluation, you’ll receive a clear, personalized report with practical recommendations tailored to your goals.
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I offer evaluations for adults wishing to explore:
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Autism
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Attention-Deficit/Hyperactivity Disorder (ADHD)
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Anxiety
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Depression
Therapy

THERAPY
INDIVIDUAL COUNSELING
Does your child or teen seem stressed? Do they hide in their room, shut down when you try to talk to them, or have big reactions to seemingly small events? Do you wish they had an outlet for all of those feelings and the tools to manage them? Or maybe you're feeling overwhelmed by your own emotions. Therapy can help!
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Building a trusting relationship with a psychologist can help you or your child to learn the skills needed to identify, express, and manage feelings or other stressors. We will work together to understand the problem, set goals to clarify the path ahead, and start your journey towards hope, growth, and joy. Along the way, it is always my priority to make sure you feel heard, understood, and accepted through identity affirming and culturally sensitive care.
I offer evidence-based individual therapy for children, adolescents, and young adults ages 8-25 with flexible scheduling based upon your current needs.
PARENT SUPPORT
All parents want to be there for their child, but many feel lost about how to help. As an experienced licensed psychologist, I can give you the tools you need to connect and communicate with your child or teen and to understand their needs.
Parent guidance or support may include checking in at the beginning or end of your child's session, participating in sessions with your child, or attending parent-only sessions to learn new parenting skills.
GETTING STARTED
Ready to start your journey? Give me a call or fill out the contact form to schedule a free 15 minute phone consultation to see if we might be a good fit.
CONTACT Diamond Therapy & Assessment
Call me or complete the contact form to schedule a free 15 minute phone consultation.
PHONE
720-515-4042