Concerning COVID-19

We have now resumed in person appointments with a number of safety measures put in place including Plexiglass barriers and mandatory masks (we will provide or bring your own). If you are looking to have a piece made please contact us and we will be in touch shortly.

Winnipeg Custom Engagement Ring & Jewellery Design

Winnipeg’s modern and innovative source for exceptional custom jewellery, diamonds, sapphires and precious gems. Experience superior local craftsmanship, and endless style possibilities in creating your unique dream ring. Simply call or inquire to book your free appointment with an expert.

View Our 110 + Five-Star Google Reviews 

“I could not be more obsessed with my beautiful ring! Anyone that is interested in custom jewellery needs to go to Omori Diamonds!!”

-Rhianne H

“Thank you to Omori Diamonds for designing our perfect engagement ring. Today was the big day!”

“Jim sat down with me to teach me all about diamonds, he made suggestions along the way and we were able to custom make the perfect ring for my fiancé. Jim is a local business owner a fantastic person and extremely knowledgeable.”

– Samuel D

“Jim is amazing to deal with! He took my design and made it a reality faster than anticipated, the Mrs. is extremely happy with her ring and we will be returning for our wedding bands “- Adam T

“I recently had the great opportunity to work with Jim to design an engagement ring for my fiance. I had an idea in mind as to how I wanted the ring to look and I was definitely excited to see the ring turn out even better than I had imagined! Jim is definitely an expert in his field.”

– Ryan M

“We really appreciated how Jim made us feel confident in the diamond we chose, answering all our questions and addressing our concerns, and it certainly did not disappoint when we finally saw it in person – amazingly sparkly and exactly what I had envisioned. He really takes his time in choosing the right diamond…The finished product is simply breath-taking…” 
– Karissa

5 Star Experience

Meet directly with our designer and diamond specialist to receive expert guidance and undivided attention in crafting your dream ring. Through advanced 3D rendering and wax models you will see your design come to life as we create your perfect jewellery just for you or your loved one.

Submit an inquiry to book a free appointment or call us at (204) 951-7040 to talk to an expert. Let’s create a masterpiece together!

Why Choose Us?


See your design come to life through the finest design methods as we create your lifelong treasure just for you or your loved one. 


Our unique business model brings you the finest ethically sourced, certified diamonds, sapphires and gems at very competitive prices. 


We are dedicated to helping you uncover your personal style and in choosing choose the perfect diamonds and gems that you will be very proud to wear.


Custom Rings Created in Winnipeg

Be inspired by custom rings we’ve created for our clients then submit an inquiry or call (204) 951-7040 to begin creating your dream ring!


Book An Appointment

Please submit an inquiry below or call or email to book your consultation.

Contact Us

We work by appointment only. Please fill out the contact form below or call or email to book an appointment.

Phone: 204-951-7040 Email:

Location: 2003 Portage Avenue, Winnipeg

We do not keep diamonds on premises.

We do not buy used diamond or jewellery.

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