Know the Value and story of your jewelry

We provide expert authentication, appraisal, and brokerage services—turning uncertainty into confidence and heirlooms into legacy.


Establish accurate value for insurance, sale, or estate planning.

Appraise

Verify makers, eras, and materials with archival expertise.

Authenticate

Confidently sell to the right buyers in our specialized network.

Broker

Uncover the history and stories behind your most personal pieces.

Consult

Broker your jewelry with us..

20% commission fee, you net the rest. We hold the proper Texas licenses to handle the sale of jewelry, coins, and watches. Turning your unused jewelry into funds you can use. We also broker costume jewelry.

Graduate Gemologist, owner

Margaret Gronberg

Appraisals, Authentication, Brokering, Consultation

Manager

Holly Martin

Client coordinator, 20+ years of experience

design/restoration consultant

Elsie Garcia

Repairs, categorization, 8+ years of experience

New Era

Showroom Closes

After 39 years, Margaret partially retires. Throughout the years we’ve had the honor of helping you celebrate life’s most precious moments—from engagements and anniversaries to birthdays and everyday elegance. It has been an honor to be a part of your family celebrations. We extend our deepest gratitude to our clients, colleagues, and friends for your unwavering support throughout the years. The showroom closes June 2025, but appraisals and brokering continue. Same building, different floors.

Call to schedule an appointment.

Pandemic Pivot

From showroom to safety, we adapted to serve you remotely. From scheduled hours to doing sales and transactions through eBay.

November 11, 2019

F3 Tornado hits

It took an F3 tornado to do it, but our building at 5924 Royal Lane was severely damaged. See the before and after pictures attached. We relocated and rebuilt.

christie's auction

elizabeth taylor jewelry

Margaret attended Christie's auction in New York and placed the winning bid to acquire a suite of jewelry from Elizabeth Taylor's estate.

north dallas jeweler

the jewelry gallery

Since our inception in 1986, The Jewelry Gallery has occupied the same North Dallas location at 5924 Royal Lane, Suite 170, Dallas, TX 75230, serving our Preston/Royal community. The owner, Margaret Gronberg, is a Gemological Institute of America (GIA) Graduate Gemologist, with 40 years experience appraising jewelry.  She has made a long study of period jewelry and is often a speaker and instructor on the subject.   Her love of all periods of fine jewelry inspired her study of various mining, cutting and manufacturing techniques, as well as the historic impact of jewelry in fashion eras.  She is a qualified expert witness in federal and state court, an accepted appraiser for federal agencies and private trust departments. 

The Jewelry Gallery

12900 Preston Road, Suite#810                Dallas, TX 75230

BY APPOINTMENT ONLY.

Please call 214-369-5361 in order to schedule an appointment.

Thank you.

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