Embrace curiosity, discover passion, and experience joy!
At Universal Diamond Exchange (UDE Collection), we are a leading provider of high-end, custom diamond jewelry with over 18 years of experience in the industry. Our team of professional, highly skilled, and devoted jewelers can bring any imagination to life, using metals like gold, silver, platinum, and all precious stones. Our custom work also includes customizing watches in gold, platinum, and stainless steel.
Our Mission
Our mission is to provide our valued customers with the best service, quality, and dazzling selection of custom-made diamond jewelry available anywhere. We are committed to bringing your desires to life with quality and style, and each piece is individually inspected meticulously by our top-of-the-line staff.
Our Story
Our founder, Denis Mahgerefteh, never intended to be the co-founder and owner of one of LA's hottest jewelry customization manufacturers. Denis arrived in Los Angeles with only $2000 in his pocket and a fresh perspective. He got an accounting job at a local jewelry manufacturer, and it was there that he first stumbled into an exciting new passion and a realized appreciation for his skills in jewelry design. Denis envisioned a company devoted to making every piece of jewelry unique, and established a collaborative creative process with all his clients to ensure that the integrity of their vision and final product remained the same.
Our Services
At UDE Collection, we offer a wide range of services, including:
- Custom design and manufacturing of diamond engagement rings, wedding bands, fine jewelry, and custom watches
- Expert jewelry repair and restoration services
- Personalized consulting and design services to bring your unique vision to life
- High-quality diamond and gemstone sourcing
- State-of-the-art manufacturing facilities and equipment
- Unparalleled customer service and support
Our Values
At UDE Collection, we value our customers above all else. We are committed to providing the highest level of quality, service, and satisfaction. We believe in building long-term relationships with our clients, and we strive to exceed their expectations at every turn.
Custom Jewelry Experience
Exceptional Quality and Service
These reviewers rave about their experiences with UDE, a custom jewelry business. They praise the quality of the jewelry, the attention to detail, and the friendly, trustworthy service they received.
Benefits of Working with UDE
- Better quality work and custom pieces with clearer, more beautiful jewels
- Lower prices due to direct sourcing from wholesalers, avoiding middlemen markups
- Personalized service with direct communication to ensure every detail is perfect
- Ability to see 3D renderings of the jewelry piece and make changes before finalization
- Master craftsmanship and attention to detail in each piece
Why Choose UDE Over Big-Name Brands
- Big-name brands have enormous markups due to marketing and brand perception, but the quality does not justify the extra cost
- UDE provides exceptional quality at a lower price point due to direct sourcing and lack of middlemen
- The business is family-owned and operated, with a focus on integrity and trust

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