- Since 1977
- In-House Master Jewelers
- In-Store or Virtual Appointments
Custom Jewelry
At George Thompson Diamond Company, we're all about turning ideas into heirlooms. Whether you're dreaming of a custom engagement ring, redesigning a treasured family piece, or creating a one-of-a-kind gift, our team will guide you through every step of the custom design process. For nearly five decades, we've helped our customers transform inspiration into jewelry that's designed to be worn, loved, and passed down for generations.
Creating a custom piece doesn't have to be intimidating. Whether you have a fully developed vision, a Pinterest board full of inspiration, a screenshot on your phone, or simply an idea, we'll help bring it to life. Our designers work alongside you to create a piece that reflects your personal style while making the process enjoyable from beginning to end.
Custom engagement rings are one of our specialties. Whether you're starting with a loose diamond, choosing between natural or lab-grown diamonds, incorporating a family heirloom stone, or designing a setting that's completely unique, we'll help you create a ring that's every bit as meaningful as the proposal itself.
Once we've developed your design together, we'll create a detailed CAD rendering so you can see your piece before it's made. From there, we'll produce a 3D printed model that allows you to experience the design in person before production begins. Only after you've approved every detail do our master jewelers begin crafting your custom piece.
What Can We Create?
From engagement rings to one-of-a-kind gifts... built around your story.
Custom Engagement Rings
Design the ring they'll wear forever.
Wedding Bands
Made to perfectly complement your engagement ring.
Jewelry Redesign
Transform inherited or unworn jewelry into something you'll love.
One-of-a-Kind Jewelry
Necklaces, earrings, pendants, anniversary gifts and more.
The Custom Process
From first idea to finished heirloom—clear, collaborative, and made to fit you.
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1
Meet With a Designer
Bring inspiration photos, Pinterest boards, sketches—or simply an idea.
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2
Design & CAD
We'll create detailed renderings for your approval.
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3
3D Printed Model
Try on your design before it's created.
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4
Handcrafted by Our Jewelers
Every detail is finished to perfection.
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5
Your Finished Piece
A one-of-a-kind heirloom made just for you.
Looking for a Custom Engagement Ring?
Your engagement ring should be as unique as your love story. Whether you've fallen in love with a particular diamond shape, want to recreate a vintage style, or have something entirely original in mind, we'll help you create a ring that's unmistakably yours.
From natural and lab-grown diamonds to colored gemstone engagement rings, we'll guide you through selecting the perfect center stone and designing every detail of the setting.
Custom Jewelry FAQs
Answers to the questions we hear most about custom engagement rings and redesigns.
How long does a custom engagement ring take?
Most custom engagement rings take several weeks from approved design to finished piece, depending on complexity, stone selection, and current workshop schedule. During your consultation we'll give you a clear timeline for your project.
Can I use my own diamond?
Yes. Many clients bring a loose diamond, an heirloom stone, or gemstones from existing jewelry. Your stones remain securely in our Camarillo showroom throughout the design and crafting process.
Can I redesign inherited jewelry?
Absolutely. Redesigning inherited or unworn jewelry is one of our specialties. We'll help you transform sentimental stones and metal into a piece you'll love wearing every day.
Can I create a ring virtually?
Yes. We work with clients across California and around the country. Virtual appointments let you collaborate with our designers from anywhere, with CAD renderings shared for your approval along the way.
How much does custom jewelry cost?
Every custom piece is unique, so pricing depends on design, metals, and stones. Because we manufacture much of our jewelry in-house, we can often deliver exceptional value compared to traditional retail markups. A consultation is the best way to discuss budget and options.
Do you work with lab-grown diamonds?
Yes. We work with both natural and lab-grown diamonds, as well as colored gemstones. We'll help you choose the center stone and setting that fit your style and budget.
Can I finance a custom engagement ring?
Ask us about financing options during your consultation. We're happy to walk you through available ways to make your custom piece more manageable.
Book Your Consultation
Choose in-store in Camarillo or meet with us virtually from anywhere.
In-Store Appointment
Visit our Camarillo showroom to explore gemstones, view custom examples, and design face-to-face with our team.
Virtual Appointment
Meet with us from anywhere. Ideal if you’re outside the area or prefer to start your custom design online.











