Contact us
Our three-story design studio and jewelry store are located just minutes from Foggy Bottom Station. Ample street parking available.
Call us at 202-552-5744
Showroom Address:
2512 Pennsylvania Ave NW
Washington DC, 20037
Hours of Operations
Tuesday to Friday
11:30 AM - 6.00 PM, Saturday 11:30 AM - 5:30 PM
We are always available to answer any questions or address any concerns. If you would like to speak with a Market Street Diamonds specialist, gemologist, appraisal expert or designer, please call us at 202.552.5744 or email us at redbox@marketstreetdiamonds.com
You can also make an appointment online. Once we receive your appointment, we will contact you to schedule the most convenient time for you to meet us.
Frequently Asked Questions
Please review our FAQ prior sending us a message.
Does Market Street Diamonds have a strong reputation? 
We have been around since 1906 and cherished thousands of satisfied customers. Please read reviews left by our clients on Yelp and WeddingWire.
Is this your only location?
Yes. Our store is in Georgetown, Washington DC, minutes from Foggy Bottom metro station and is our only retail location.
Can I shop online?
Yes. Our exclusive Market Street Diamonds online collection is available directly through our website. However, we only ship in the United States.
What if the ring size I purchased online is not the right size for me?
We will resize the ring free of charge. You will only have to pay for the return shipping. This does not include the Tungsten bands as they cannot be re-sized.
Where your diamonds come from?
We source our mined diamond rough and finished goods from Africa, Brazil, and Canada.
Do you have warranty?
Yes, it’s a lifetime warranty. We do ask you to visit us every 6 months for service, refurbishing, and cleaning of your pieces. It’s all complimentary.
Do you offer insurance?
We can assist you in selecting the best insurance company for your needs by providing full appraisal.
What is your return policy?
Yes, we have a 30-day return and 30-day exchange policy. For all custom-made pieces there are no returns, however, we work with you to either modify the pieces or re-make it to your satisfaction.
Do you have a diamond upgrade policy?
Yes, we can upgrade the diamonds purchased from us at any point of time. We give you 100% of your original purchase price of the diamond towards the upgraded diamond only.
Do you do repairs on site?
Yes. All repairs (including watches) are done in-house.
Do you do appraisals?
Yes, we perform appraisals daily for all types of jewelry, fine watches, and precious stones. Appointments are highly encouraged.
Do you sell Rolex?
Yes, lightly worn as well as previously enjoyed timepieces. Also, we can source new ones.
“Your concept, our Expertise,
Together We Create!”
Read what our clients say about us
For over a century, Market Street Diamonds has built its reputation based on a tradition of distinctive, devoted excellence and service. Founded by a sixth-generation Belgium diamond cutter, Market Street Diamonds opened its doors to provide exquisite, never-before-seen diamond cuts to a growing New York City elite. Over one hundred years later, we proudly continue the diamond renaissance, delighting in quality, craftsmanship and imagination.
Dino Difference
We are the first in the industry to promote ethical sourcing
Conflict Free Diamonds
We are the first in the industry to promote ethical sourcing
Eco-Conscious Enterprise
We care for the planet we live, & committed to find greener ways to create value
