Step 1
Ideas & Inspiration
Tell us your story! Feel free to bring sketches, inspiration photos, or pieces you already own.
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Your piece will be prepared by our artisan team. Please wait for our confirmation email before visiting our Frontenac showroom to ensure your item is ready for immediate collection.
Adam Foster Fine Jewelry
601 S Lindbergh Blvd Suite 300, Frontenac, MO 63131, United States
Unique, handcrafted rings with free delivery nationwide or local St. Louis pickup.
Our collaborative jewelry design process pairs you with a real artisan jeweler at our studio to transform your personal story into a lasting, one-of-a-kind piece. The best part is that you do not need to know anything about jewelry design to get started. You bring the inspiration, ideas, or heirloom stones, and our makers will guide you through every step until it’s exactly what you want.
Step 1
Tell us your story! Feel free to bring sketches, inspiration photos, or pieces you already own.
Step 2
Review custom 3D renderings and sketches. We tweak every detail until you say it’s perfect.
Step 3
Compare loose diamonds or gemstones side-by-side with experts so you understand exactly what you’re getting.
Step 4
Watch your ring come to life as our local bench jewelers handcraft your piece.
Want something sooner? Shop our unique ready-to-wear engagement rings
Looking for a spark of inspiration? Explore rings recently designed in collaboration with our clients.
3ct Oval Cut Diamond, Platinum
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.5ct Cushion Cut Sapphire, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.5ct Cushion Cut Sapphire, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.5ct Cushion Cut Sapphire, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.5ct Cushion Cut Sapphire, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
3.2ct Round Cut Diamond, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.1ct Asscher Cut Sapphire, Platinum
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.5ct Cushion Cut Sapphire, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar Style
2.5ct Cushion Cut Sapphire, 18k Yellow Gold
Loved this design? Make it yours with your own personal touches.
Customize a Similar StyleYou set the target, and we work with you to get the highest quality piece possible. Most custom rings start at $2,800
You tell us
Designed and crafted 100% to your specifications.
The best value
Sourced for maximum brilliance and best value within your target price.
Complimentary
Direct collaboration with passionate local makers who treat your piece like a work of art.
Complimentary
We're here long after the proposal with complimentary cleaning, inspections, and maintenance for life.
From classic brilliant cuts to vintage step cuts, choose the shape that best reflects your partner's style and personality.
Features a perfectly circular, symmetrical shape. The classic and most popular choice.
Features a crisp square shape with sharp corners and clean, geometric lines. The modern, structured look in a ring.
Features a long rectangular shape with clean, cropped corners and step-cut facets that create a signature hall-of-mirrors effect.
Features a square shape with beveled corners and a step-cut structure. This is a close cousin to the emerald cut, but with a more symmetrical silhouette.
Features an elongated, softly rounded shape that flatters the finger, and a larger surface area makes the stone appear bigger.
Features a delicate tapered point and a softly rounded end, creating a beautiful teardrop shape.
Features a square or slightly rectangular shape with rounded corners and softly curved edges. This creates a romantic, pillow-like silhouette.
Features an elongated shape with graceful curved sides that taper to a point at each end.
Popular alternative shapes include rose-cut, kite, trilliant, briolette, baguette, and heart-shaped diamonds. The best part about designing your own engagement ring is that you have the freedom to choose whatever shape feels most like you.
Your center stone doesn't have to be colorless. Colored diamonds and sapphires open the door to a ring that's a little more unexpected and entirely your own.
Collaborate with an Adam Foster jeweler to create a one-of-a-kind ring or select from our ready-to-wear designer collection.
Tue: 9 AM – 6:30 PM
Wed–Fri: 9 AM – 5 PM
Sat: 10 AM – 2 PM
Mondays, evenings, and additional times available by appointment.
Fill out your details below and our team will reach out within 24 hours to coordinate a time.
We generally recommend allowing about two months from your initial consultation to your proposal date. That gives us time to get to know your vision, refine the design, handcraft your ring in our Frontenac studio, and complete the finishing touches without rushing the process. If you have a specific timeline in mind, let us know. We'll do our best to accommodate it whenever possible.
Every custom ring begins with a conversation. We'll get to know your style, budget, and vision, and we encourage you to bring inspiration photos or jewelry you already own. From there, we'll guide you through selecting diamonds or gemstones, refining the design, and handcrafting a one-of-a-kind engagement ring in our Frontenac studio.
We offer a carefully curated collection of ready-to-wear engagement rings that have already been designed and handcrafted by our studio. These one-of-a-kind rings are available for immediate purchase and can often be resized before your proposal.
In many cases, yes. Depending on the design, we may be able to adjust details like the metal, center stone, or setting. If you've fallen in love with one of our existing designs but have an idea to make it your own, we'd be happy to discuss the possibilities.
Unlike many jewelry stores, you'll work directly with the makers behind your jewelry. Our experienced designers and artisan jewelers collaborate closely with you, offering honest guidance, answering your questions, and helping bring your vision to life.
Not at all. Some clients arrive with detailed Pinterest boards, while others simply know they want something different from what's in a traditional jewelry store. We'll help you explore ideas, narrow your options, and discover a design that feels right.
Absolutely. One of the first things we'll discuss is your budget so we can recommend options that make sense for you. Our goal is never to push you toward spending more, but to help you create or choose a ring that offers exceptional beauty, craftsmanship, and value.
Our engagement rings are designed and handcrafted in our Frontenac, Missouri studio by our team of artisan jewelers. Because we create the jewelry ourselves, we have complete control over every detail from design through final polish.
Yes. Many clients choose to incorporate heirloom diamonds or gemstones into a new engagement ring. We love helping families preserve meaningful history while creating a piece that reflects your personal style.
Our experience is built around collaboration, not sales pressure. Rather than selecting a ring from a display case, you'll work directly with the people designing and crafting your jewelry, resulting in a more personal experience and a ring with a story behind it.
No, in addition to engagement rings, we create wedding bands, anniversary jewelry, heirloom redesigns, and other one-of-a-kind fine jewelry. Many of our clients return over the years to celebrate life's biggest milestones with pieces designed by the same team.
Yes. We want your ring to remain as beautiful years from now as it is the day you receive it. That's why we offer complimentary cleaning, inspections, and routine maintenance to help protect both the beauty and craftsmanship of your jewelry.
Absolutely. While many clients enjoy visiting our Frontenac studio, we also work with customers from across the country. Whether you're purchasing one of our ready-to-wear engagement rings or beginning a custom project, our team can guide you through the process remotely.
Simply schedule a consultation with our team. Whether you're interested in designing a custom engagement ring or exploring our ready-to-wear collection, we'll take the time to understand your vision, answer your questions, and help you find or create the perfect ring for your proposal.