Nathan Alan
QualityCertified Authentic
QualityOver 40 Years
QualityJA Jewelers

About Nathan Alan Jewelers

Crafting brilliance into every love story with exceptional quality, personalized service, exquisite design and great value. With over 40 years serving Southern California, learn more about Nathan Alan Jewelers.

Call or text our experienced team today to book your appointment at (714) 545-8337

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Location: Jewelry Store in Orange County’s South Coast Plaza

Nathan Alan Jewelers in Costa Mesa, CA is an industry leader in engagement rings, wedding bands, and custom jewelry. Located just 10 minutes from downtown Irvine, we’ve proudly served Southern California for over 40 years as your independent Orange County Jewelers in South Coast Plaza. Visit and choose your most meaningful gifts with confidence.

Fine Jewelry Store in Costa Mesa, CA - Nathan Alan Jewelers

South Coast Plaza
3333 Bristol St Ste 1875
Costa Mesa, CA 92626
(714) 545-8337

Free Parking for Nathan Alan Jewelers at South Coast Plaza

Our store is located on Level 1 near Carousel Court
South Coast Plaza Directory

Fine Jewelry Store Orange County, CA - Nathan Alan Jewelers

Orange County’s Fine Jewelry & Engagement Ring Favorites

At Nathan Alan, some of our most cherished offerings include:

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Why Choose Nathan Alan?

  • 40+ YEARS OF SERVICE - Nathan Alan is the lone-standing independent, family-owned jeweler that has been operating for a record 44 years in South Coast Plaza and has built a strong reputation in Southern California and beyond.
  • HUNDREDS OF 5-STAR REVIEWS - Nathan Alan is known for its reliability and integrity. Be sure to take a look at our testimonials! See for yourself by visiting us on Google, The Knot, Wedding Wire, Yelp, and more.
  • HIGHEST QUALITY UNIQUE ENGAGEMENT RINGS - Nathan Alan rings are handcrafted and custom made to order by our elite quality craftsmen. They are all designed based on the shape and exact measurements of the center stone selected. All of our rings are available in Platinum, 18k white, yellow, or rose gold. Our standards of quality and craftsmanship and attention to detail when paired with our ideal cut diamonds results in a product that outshines all others with unmatched beauty.
  • TOP INDUSTRY CERTIFICATIONS & AFFILIATIONS & APPRAISALS - We provide our customers with official documents showing proof of certification for all diamonds and gemstones by the Gemological Institute of America (GIA).
  • ETHICAL SOURCING OF CERTIFIED DIAMONDS AND GEMSTONES - All diamonds and gemstones are ethically sourced. We source only the most beautiful ideal cut diamonds and gemstones, including lab diamonds. Both naturally mined and lab grown diamonds are certified by the GIA.
  • CUSTOM RING & JEWELRY DESIGN EXPERTS - In addition to our collection, you have the opportunity to create your own custom-designed engagement rings or fine jewelry pieces. We start by listening to our customers, sharing ideas and research, and providing expertise and guidance. Design your dream ring within your budget!
  • KNOWLEDGEABLE & FRIENDLY TEAM: Enjoy our very personalized experience. Our experts can guide, educate, and inform your decisions during your appointment.
  • RELIABLE JEWELRY APPRAISALS - Nathan Alan offers professional jewelry appraisals by an Independent Gemologist and GIA certified appraiser by appointment. A professional appraisal ensures that in the case of damage, theft, or loss, your insurance company will give you an equal replacement value of your engagement ring or jewelry item. Your insurance company can use this appraisal to calculate a coverage rate for your diamond jewelry item. 

Our Diamond Sourcing

At Nathan Alan, center stone diamond sourcing is all about finding the best diamond available to meet all of our customers’ requirements and expectations while working within your budget. 

Nathan Alan sources diamonds and purchases diamonds from ethical suppliers that adhere to the US Department of State's Kimberley Process. Visit us or give us a call to learn more about how we discover the best options for our customers. 

Our experienced jewelers can guide you through the selection process, educate you on the various diamond characteristics, and help you find a diamond that suits your preferences and budget. You can see and touch the diamonds firsthand, which can give you a better sense of their quality and beauty. By working with a reputable independent jeweler like Nathan Alan, customers can trust the authenticity and quality of their diamonds.


What to Expect During a Nathan Alan Appointment

Beginning with a warm welcome, we aspire to create a rewarding, relaxing and enjoyable experience for our customers at Nathan Alan Jewelers. When you book an appointment with us, you’ll receive our focused attention as we guide you through the many elegant options you may already have in mind. We welcome you to bring along your loved one, a trusted guest or arrive on your own.

Appointments are your opportunity to:

  • Have a relaxing and rewarding personalized experience
  • Get your essential questions answered
  • View and try on our collection of diamond rings and fine jeweler
  • Learn about our GIA certified diamonds and gemstones, all ethically sourced
  • Ask about lab diamonds - an alluring new alternative to mined stones


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Meet Our Founder

Nathan Alan Jewelers OwnerAlan Lemmerman, the owner and founder of Nathan Alan Jewelers, is celebrating over 40 years as the only independent jeweler in South Coast Plaza. Alan's journey at South Coast Plaza began in 1980 with the opening of Chain Reaction, a jewelry store specializing in high quality Italian 14 karat and 18 karat gold chains, earrings, pendants, charms and rings. It was the first store of its kind in the country. Four years later, the name was changed to Nathan Alan Jewelers and the specialty became diamond and gemstone fine jewelry, particularly diamond engagement rings and wedding bands. 

His commitment continues to be offering exceptional design, impeccable quality, excellent value and outstanding customer service. Nathan Alan Jewelers and South Coast Plaza share the same vision of creating a unique and beautiful experience for their clients while maintaining their dedication to continued growth and improvement.

The Nathan Alan Story

Today, Nathan Alan Jewelers is the singular independent family owned jewelry store in South Coast Plaza and it is viewed as being very complementary to the top international brands located there.

We are proud to have established a strong and distinctive brand in Orange County and beyond as evidenced by our customer testimonials and our custom design referrals from Harry Winston, Tiffany and other global brands. As always, our emphasis will continue to be providing our customers with exceptional quality, personalized service, exquisite design and great value.

Within the knowledgeable staff at Nathan Alan Jewelers, there is over 100 years of combined experience. They are devoted to providing their customers with the information they need in order to make confident, comfortable decisions. One of the most rewarding aspects of the business for our staff is delivering a gorgeous engagement ring or fine jewelry piece that takes their customer's breath away. Achieving the "Wow!" factor is the ultimate goal. We stridently search for the most beautiful GIA certified diamonds and gemstones, all ethically sourced.

In addition, only the most talented artisans craft our fine jewelry, engagement rings and wedding bands. Beginning with a warm welcome, we aspire to create a rewarding, relaxing and fun experience for our customers are Nathan Alan Jewelers.

Celebrating Your Marriage Proposal Story

We delight in celebrating marriage proposals, anniversaries and special occasions.

Nathan Alan on YouTube

Product Shown: Round Split Shank Engagement Ring, Cushion Pave' Set Diamond Halo (SKU#1011884)

The Beginning of Your Story

We are here to support you through the entire decision making progress. To help make things easier for you and your loved one, we have put together some educational information to get you started. 

Cushion Halo Engagement Ring

Areas We Serve

At Nathan Alan, we serve customers from all over the world. Our Southern California location in Costa Mesa’s famous South Coast Plaza means we’re easily accessible to a broad local community that includes: 

  • Yorba Linda
  • Laguna Hills
  • Beverly Hills
  • Anaheim
  • Mission Viejo
  • San Clemente
  • Redondo Beach
  • Aliso Viejo
  • Coto De Caza
  • Orange

Please feel free to reach out to us with any questions and we look forward to serving you in Costa Mesa, California. 

Our Mission & Commitment to You

At Nathan Alan we will always strive to exceed our customers’ expectations and remain dedicated to continued growth and improvement.

Our passion lies in providing you with exquisite pieces that capture the brilliance and beauty of diamonds and precious gems. Whether you're searching for an engagement ring, a special gift, or a timeless addition to your collection, we carefully curate our selection to ensure unrivaled craftsmanship and exceptional value.
Our commitment continues to offer exceptional design,impeccable quality, excellent value and outstanding customer service.
Our dedicated team of experts is here to guide you through the process, offering personalized attention and expert advice. We believe that everyone deserves to experience the joy of owning extraordinary jewelry, and we strive to make that a reality for you. Let us help you find the perfect piece that will be cherished for a lifetime. We look forward to assisting you in creating unforgettable memories. Schedule an appointment online or call us at (714) 545-8337 to speak to a design specialist directly to set up an in-store appointment.

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More About South Coast Plaza 

Nathan Alan Jewelers has proudly called South Coast Plaza our home for decades. Located in the vibrant city of Costa Mesa, California, South Coast Plaza first opened in 1967 and stands as a premier shopping and dining destination that exudes luxury and style. 

Renowned for its impressive collection of high-end boutiques, fashion houses, and beauty brands, the plaza offers a refined shopping experience that caters to the discerning tastes of visitors from around the world. 

With its captivating architecture, diverse culinary offerings, and a commitment to providing a world-class atmosphere, South Coast Plaza has solidified its position as a quintessential Southern California destination for those seeking a sophisticated leisure experience.

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Contact Our Experienced Team Today

Call or Text: (714) 545-8337

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