A silver engagement ring with a large emerald-cut clear center stone and a pavé band, photographed on a dark textured surface with dramatic light leaks and a shadow.
Engagement Ring Jeweler

Collaborate With Real Artisan Jewelers.
Leave With a One-of-a-Kind Ring.

Start a Design Collaboration Shop Ready-to-Wear Rings

Ready-to-Wear Engagement Rings

Unique, handcrafted rings with free delivery nationwide or local St. Louis pickup.

0.76CT Salt and Pepper Kite Diamond Engagement Ring
0.76CT Salt and Pepper Kite Diamond Engagement Ring

0.76CT Salt and Pepper Kite Diamond Engagement Ring

Material: Yellow gold and platinum
Regular price $7,980.00
Sale price $7,980.00 Regular price
2.16CT Rose Cut Black Diamond Engagement Ring
Silver ring with a black gemstone and green stones on a white background

2.16CT Rose Cut Black Diamond Engagement Ring

Material: 18k white gold
Regular price $11,300.00
Sale price $11,300.00 Regular price
1.66 CT Salt and Pepper Kite Diamond Engagement Ring
1.66 carat unique kite-shaped salt and pepper diamond engagement ring.

1.66 CT Salt and Pepper Kite Diamond Engagement Ring

Regular price $8,250.00
Sale price $8,250.00 Regular price
1.04CT Round Brilliant Cut LG Diamond Engagement Ring
1.04CT Round Brilliant Cut LG Diamond Engagement Ring

1.04CT Round Brilliant Cut LG Diamond Engagement Ring

Regular price $4,175.00
Sale price $4,175.00 Regular price
2.57CT Emerald Cut LG Diamond Engagement Ring
A yellow gold ring featuring a large emerald-cut clear center stone with baguette side stones, set against a plain white background.

2.57CT Emerald Cut LG Diamond Engagement Ring

Regular price $6,050.00
Sale price $6,050.00 Regular price
3.02 Elongated Cushion Cut LG Diamond Engagement Ring
3.02 Elongated Cushion Cut LG Diamond Engagement Ring

3.02 Elongated Cushion Cut LG Diamond Engagement Ring

Material: Diamond
Regular price $6,380.00
Sale price $6,380.00 Regular price
1.78CT Round Brilliant Cut LG Diamond Engagement Ring
Lotus-inspired brilliant diamond engagement ring crafted in 18k yellow gold.

1.78CT Round Brilliant Cut LG Diamond Engagement Ring

Material: Gold
Regular price $4,495.00
Sale price $4,495.00 Regular price

How Custom Works

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.

Ideas & Inspiration

Step 1

Ideas & Inspiration

Tell us your story! Feel free to bring sketches, inspiration photos, or pieces you already own.

Design & Renderings

Step 2

Design & Renderings

Review custom 3D renderings and sketches. We tweak every detail until you say it’s perfect.

Stone Selection & Details

Step 3

Stone Selection & Details

Compare loose diamonds or gemstones side-by-side with experts so you understand exactly what you’re getting.

Crafted for You

Step 4

Crafted for You

Watch your ring come to life as our local bench jewelers handcraft your piece.

From inspiration to reality in just a few weeks!

Want something sooner? Shop our unique ready-to-wear engagement rings

What Goes Into the Price of Your Ring?

You set the target, and we work with you to get the highest quality piece possible. Most custom rings start at $2,800

Get Started

Your Custom Ring

The Setting

You tell us

Designed and crafted 100% to your specifications.

The Center Stone

The best value

Sourced for maximum brilliance and best value within your target price.

The Design Experience

Complimentary

Direct collaboration with passionate local makers who treat your piece like a work of art.

Lifetime Care & Support

Complimentary

We're here long after the proposal with complimentary cleaning, inspections, and maintenance for life.

TotalYour Ring's Price

Shape & Diamond Cut Inspiration Guide

From classic brilliant cuts to vintage step cuts, choose the shape that best reflects your partner's style and personality.

A black and white line art sketch of a faceted gemstone, resembling a round brilliant-cut diamond, centered on a solid white background.

Round Brilliant

Features a perfectly circular, symmetrical shape. The classic and most popular choice.

Round Brilliant finished jewelry
A minimalist black and white pencil sketch of a faceted geometric gemstone, shown from a top-down perspective on a solid white background.

Princess Cut

Features a crisp square shape with sharp corners and clean, geometric lines. The modern, structured look in a ring.

Princess Cut finished jewelry
A pencil sketch of a large rectangular emerald-cut gemstone on a plain white background.

Emerald Cut

Features a long rectangular shape with clean, cropped corners and step-cut facets that create a signature hall-of-mirrors effect.

Emerald Cut finished jewelry
Asscher pencil sketch

Asscher

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.

Asscher finished jewelry
A black and white line drawing of an oval gemstone with a faceted, multi-beveled cut pattern, centered on a plain white background.

Oval Cut

Features an elongated, softly rounded shape that flatters the finger, and a larger surface area makes the stone appear bigger.

Oval Cut finished jewelry
A minimalist line drawing of a teardrop-shaped faceted gemstone, shown in gray on a solid white background.

Pear Cut

Features a delicate tapered point and a softly rounded end, creating a beautiful teardrop shape.

Pear Cut finished jewelry
A minimalist black and white line art sketch of a cushion-cut gemstone, showing its faceted geometric structure on a solid white background.

Cushion Cut

Features a square or slightly rectangular shape with rounded corners and softly curved edges. This creates a romantic, pillow-like silhouette.

Cushion Cut finished jewelry
Marquise pencil sketch

Marquise

Features an elongated shape with graceful curved sides that taper to a point at each end.

Marquise finished jewelry
Alternative Shapes pencil sketch

Alternative Shapes

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.

Alternative Shapes finished jewelry
A minimalist black and white line art illustration of three faceted gemstones, including a marquise-cut stone, a round brilliant-cut stone, and a cushion-cut stone, arranged on a solid white background.

Colored Diamonds & Sapphires

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.

Colored Diamonds & Sapphires finished jewelry

Designed by Couples, Crafted by Adam Foster Jewelers

Caleb R.

My fiancé and I were so happy we went with the team at Adam Foster Fine Jewelry to design our rings! They were extremely friendly and made the design process so easy and individualized for us! They have so many options and will accommodate a variety of styles and price ranges. I would highly recommend.

Caleb R.

Emma T.

My now fiancée and I made the rounds at all the big box stores in St. Louis looking for an engagement ring that spoke to my unique yet simple style and found nothing that fit the bill. A friend recommended Adam Foster Fine Jewelry, and we thought there would be no way we could afford a custom ring in our budget. We went in with an open mind and had the best time chatting about inspiration and what I liked. Adam and his team of dream makers knocked it out of the park. They were mindful of our budget and accommodating with our schedules and any requests I had for the ring.

Emma T.

Eric D.

Went to Adam Foster Fine Jewelry for my fiancé's engagement ring in addition to our wedding bands and couldn't have had a better experience. Adam is a true professional who is very knowledgeable and skilled at what he does. They showed great customer service, patience, and genuine care for me as a client from start to finish.

Eric D.

Jody Y.

Adam Foster Fine Jewelry was recommended by several business colleagues....I showed photos of the rings that I liked. They took the best qualities out of each photo and created a stunning ring. It was such a pleasant experience. The showroom is filled with such unique and creative pieces you won't see anywhere else.

Jody Y.

Design Your Ring with Our Artisan Jewelers

Collaborate with an Adam Foster jeweler to create a one-of-a-kind ring or select from our ready-to-wear designer collection.

Call the studio314-370-6976
Studio Hours

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.

Get in Touch

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