Your Dublin, Ohio Jeweler and Lab Grown Diamond Experts
Located in Dublin, Ohio, CDI Diamonds and Jewelry is the jeweler of choice for certified loose diamonds, certified loose lab grown diamonds, diamond wedding bands, engagement rings, and designer sterling silver collections. CDI also offers expert jewelry repair, custom design as well as high-end watch repair.
Formally of Youngstown, Ohio, Matt Carlozzi Jr. ushered into the jewelry business as CEO/Owner of a manufacturing and loose diamond wholesale company featuring his patented loose diamond design. With his roots firmly planted in the capital city, Mr. Carlozzi owns and operates CDI Diamonds & Jewelry currently located in Dublin, Ohio, (formally Bernie Helmick Diamonds & Gold) which has been serving the Columbus, Ohio area for over 20 years. CDI has amassed an impressive 600, 5-star reviews on Google that continues to grow daily.
LAB GROWN DIAMONDS
Lab grown diamonds offer a beautiful, affordable and sustainable option for any piece of jewelry. Lab grown diamonds are exactly like diamonds mined from the earth physically, optically and chemically. Lab grown diamonds are also an eco-friendly and conflict-free choice for your next jewelry purchase.
Learn more our large selection of certified lab grown diamonds and how we use them in our jewelry. Learn More Here
Shop with the CDI Advantage
- CDI guarantees all purchases for twelve months from the date of purchase against defects in material and workmanship.
- CDI will repair or replace any defective product free of charge, excluding items damaged due to excessive wear or alterations by any jeweler other than our own.
- For a period of one year, CDI will cover any and all servicing to your new piece of jewelry, including sizing and rhodium plating.
Why shop with CDI?
- Welcoming low-pressure environment
- Exceptional service
- Friendly GIA Educated Staff
- Free Appraisal
- CDI Exclusive Referral Program
- Columbus’ best kept secret