Custom Design Jewelry & Engagement Rings

Gems of La Costa offers custom design jewelry and manufacturing. We can make your dream come true. With over 30 years experience in custom design jewelry, our master jeweler can create your own one-of-a-kind engagement ring or any other jewelry from scratch for you.

Do you have your own idea for a custom design piece? We can do start to finish design and production of jewelry in your individual style. We’ll help you put your ideas on paper, and our craftsmen can create the piece of your dreams in the metal of your choice.

Start to finish design and production of jewelry in your individual style
One-of-a-kind creations you will cherish for years to come
We can create anything – no piece is too difficult
We can use gemstones that you already have
We can turn that old, unworn piece of jewelry into

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From Idea Into Reality

Sometimes, our customers have seen a design in a magazine and would like to get a customized version or they want to use diamonds from a heirloom jewelry piece. If you came up with your own idea or you would like to recreate a lost family piece, we can take your ideas and turn them into reality.

Reputation Matters!

Jennifer Lingenfelter

I had such a wonderful experience working with Rhonda! I came in looking for a replacement chain for my favorite necklace, and she was incredibly helpful — patient, knowledgeable, and never once pushed me toward a pricier option. She listened to exactly what I needed and helped me find the perfect match.
What really made the experience special was that she also set up my three dogs AND my toddler with adorable little faux bling chains. They are now officially the most stylish crew around! Rhonda clearly loves what she does and genuinely cares about her customers. I’ll absolutely be back and will be asking for her by name! Highly recommend!

Sidona Ryan

My single diamond wedding ring in a round half bezel setting had started to snag clothing. I purchased it from a different jeweler located in Old Town. I called and emailed repeatedly to get an appointment with them to fix it and they never responded. I came across Gems of La Costa and saw that a close friend had left a nice review. I was nervous about having someone fix it, but Rhonda was very reassuring. She showed me that the setting was so loose, she could turn the diamond around in it. Thank goodness I got it in. They did an excellent job repairing it. It looked brand new. Thanks Rhonda and Gems. Great job. Highly recommend them.

Margaret Gureczny

First time to Gems of La Costa. referred to me from friends. Wow, from the moment I entered the store, I was impressed. I brought my gold necklaces to have new clasp replaced. I met with Rhonda. Her knowledge and honesty won me over. I also met Eddie. His expertise on my repairs were done without changing the integrity of my jewelry. I'm returning to sell my unused gold jewelry and purchase new.

Chris Sand

I would highly recommend Gems of La Costs for anyone who is looking to build a custom engagement ring. Daniel was absolutely incredible, and helped walk us through every step of the way. He had perfect insights on how to exactly build what we wanted. Any questions or concerns we had were answered quickly and professionally. If you’re looking for a ring, look no further.

Deana Mason

I recently had two experiences with Rhonda, selling some of my moms jewelry. It was a hard moment for me. But Rhonda not only was so compassionate she felt like a friend. She was so professional but yet so delicate with my feelings. I will never go anywhere else for jewelry and will always remember the kind service I had with her.

Custom Design & Fabrication

Custom design jewelry usually starts with a good understanding of what you are looking for. Starting with a scan of your existing diamonds or gemstones, you want to integrate is the first step that allows us to create a mockup you. Sketches of designs or Photoshop mock-ups are a good start for us to find out what you are looking for and narrow down details and size considerations.

Computer Aided Jewelry Design

In recent years CAD, (Computer Aided Design) is being used to create more intricate designs than what was possible with traditional wax carving or making jewelry by hand.

After the initial consultation with one of our master jewelers, we will create a CAD design on the computer for your custom piece. One of the unique things about having a custom CAD design, is that you can view your jewelry (before we make it in metal) from multiple directions and everything is proportional. Having everything in proportion is sometimes lost in a hand drawing.

The computer simulation is a rendering of the CAD file that looks more like the real finished piece. This step enables you to see the piece from all sides and takes the guess work out of the custom designs. Furthermore, we can make adjustments to the design if needed. We will show all the views including side, top, end and a three dimensional view. This way you get to be part of the process to make sure you’ll be happy with your unique design.

Next, the CAD file “instructions” are sent to a 3D printer that is essentially a wax growing machine. It grows the design by building up layers of wax or resin that gives us the 3D model we use for the lost wax casting process. When the casting is finished, the gemstones/diamonds are set into the ring and the final finishing is completed.