About Diamonds by Rothschild
A Family Jeweler in the Clark Building
We're a family-owned jeweler in the historic Clark Building at 717 Liberty Avenue in Downtown Pittsburgh.
We're the home of American Diamonds - Refined. GIA-graded natural stones, sourced in the United States and expertly re-cut for modern light performance.
We design custom engagement rings around 3D CAD rendering, so you see the ring before it exists, and curate a showroom of fine jewelry that includes estate pieces and work from our own bench.
4.9 stars across 500+ client reviews, in a building that has housed Pittsburgh's jewelers since 1927.
Our Work
Custom Rings * Fine Jewelry * Sustainable Diamonds.
From the first spark of engagement to the quiet confidence of a daily piece, every ring, band, and stone is chosen with care.
01
Consultation
45–60 minutes. In-showroom or virtual. We listen before we sketch.
02
Design & 3D Preview
Choose the stone, shape the setting, and review every angle in CAD. Refine until it's yours.
03
Heirloom Delivered
Cast, set, and hand-finished to your approved design. Delivered in 3-4 weeks.
Sustainable Diamonds
What is American Diamonds - Refined?
Refined American Diamonds are natural diamonds sourced from within the United States and expertly re-cut for modern light performance, proportions, and GIA grading.
They are not lab-grown. They are not newly mined. They are pre-loved natural stones, recycled diamonds returned to the market with GIA-regraded brilliance, traceable from the moment they re-entered the market, with no new extraction required.
This collection exists for one reason: the world already contains an abundance of beautiful natural diamonds. We believe the most responsible luxury is the one that honors what already exists, a quiet expression of the circular economy, applied to something meant to last generations.
Visit the Showroom
A Pittsburgh Landmark, in the Clark Building
Two blocks from the Wood Street subway station, our downtown showroom offers a quiet, private setting for trying on pieces, meeting our jewelers, and beginning a custom design in person.
Address
717 Liberty Avenue, Suite 203
The Clark Building
Pittsburgh, PA 15222
Contact
Hours
Tue, Wed, Fri · 10:00 AM – 5:00 PM
Thursday · 10:00 AM – 7:00 PM
Sat · 10:00 AM - 03:00 PM
Getting Here
Wood Street T Station
(across the street)
Metered on-street parking
Client Stories
Five stars, hundreds of times over.
The Jewelry Insider
Before You Buy, Understand What You're Buying.
Answers to the questions we hear most.
What makes Diamonds by Rothschild different from other Pittsburgh jewelers?
Diamonds by Rothschild is a family-owned jeweler in the historic Clark Building in downtown Pittsburgh.
The business is the home of Refined American Diamonds: GIA-graded natural stones sourced in the United States and expertly re-cut for modern light performance. Refined American Diamonds are positioned as a sustainable alternative to newly mined stones, with full traceability and no new extraction. The same approach extends to colored gemstones.
Additional services include custom engagement ring and jewelry design built around 3D CAD rendering, and a curated showroom of fine jewelry that includes estate pieces, work from the in-house bench, and selections from other designers.
Diamonds by Rothschild maintains a 4.9-star rating across more than 390 client reviews, in a building that has housed Pittsburgh's jewelry trade since 1927.
What are American Diamonds - Refined?
American Diamonds - Refined are natural diamonds sourced from within the United States and expertly re-cut to optimize their light performance, proportions, and GIA grading.
They differ from lab-grown diamonds in that they are 100% natural. They differ from newly mined natural diamonds in that they are pre-loved stones returned to the market through a vertically integrated supply chain, GIA-regraded after re-cutting, with traceability from the moment they re-enter the market and no new extraction.
American Diamonds - Refined are exclusive to Diamonds by Rothschild.
Does Diamonds by Rothschild sell lab-grown or natural diamonds?
Diamonds by Rothschild specializes in natural diamonds, including GIA-graded new natural stones and the signature Refined American Diamonds collection (natural diamonds re-cut in the USA).
The business does not focus on lab-grown diamonds, though guidance on the differences between natural and lab-grown is available during consultation.
How does custom jewelry design work at Diamonds by Rothschild?
Custom design at Diamonds by Rothschild follows athree-step process.
First, a 45 to 60 minute consultation (in-showroom or virtual) to understand the client's vision.
Second, the client chooses a stone (a Refined American Diamond from inventory, a re-cut gemstone, or a stone the client already owns) and works with the design team on a 3D CAD rendering that can be rotated, refined, and approved before any material is cut.
Third, the piece is cast, set, and hand-finished to the approved design and delivered in Pittsburgh.
Most custom projects are completed within 3 to 4 weeks.
Consultations are free.
Where is Diamonds by Rothschild located?
Diamonds by Rothschild is located at 717 Liberty Avenue, Suite 203, on the second floor of the historic Clark Building in downtown Pittsburgh, Pennsylvania (15222).
The showroom is directly across Liberty Avenue from the Wood Street Train Station.
Regular hours are Tuesday, Wednesday and Friday 10:00 AM to 5:00 PM, Thursday has extended hours from 10:00 AM to 07:00 PM, and Saturday 10:00 AM to 3:00 PM.
The business is closed on Sundays and Mondays
What is the price range at Diamonds by Rothschild?
Diamonds by Rothschild offers jewelry and loose diamonds across a broad range.
Fine jewelry pieces start in the low hundreds of dollars.
Engagement rings typically range from approximately $2,000 to $50,000 and beyond, depending on the center stone and setting.
Loose diamonds are available at a wide range of carat weights and grades.
Financing is available.
A no-obligation consultation will produce a tailored quote based on specific preferences.