Owner, Mark Lauer has over 30 years of custom jewelry design and creating award-winning fine jewelry. Our on-site bench jeweler completes jewelry repairs in-house with trust, knowledge, and jewelry expertise.

Meet the Staff at Mark Michael Diamond Designs

Mark Lauer

Owner and Designer

Mark is the owner and designer of Mark Michael Diamond Designs. He has over 30 years of experience in the jewelry industry, not to mention his Fine Arts degree from Indiana University. Mark is recognized nationally for his artistic designing ability. As the winner of four National Spectrum Awards, customers trust Mark to design a piece of jewelry for them that’s both beautiful and original.

For more information and to set an appointment with Mark please click here

Susan Lauer

Book keeper

Susan has been the accountant and bookkeeper for Mark Michael for over 20 years. Susan met Mark on campus at Indiana University where she traded him candles she created for earrings of his own creation. Mark and Susan have been working together, building Mark Michael Diamond Designs ever since.

Tim Lulloff


Tim is a 3rd generation jeweler, learning what he knows today from his Grandfather. Tim joined the Mark Michael team in 2000 and with more than 30 years of bench experience Tim is our head goldsmith. He can be trusted to set your precious diamonds and gemstones with the utmost attention to detail and quality. Tim is also the winner of the 2003 Bench Jewelers Design Competition for CAD Rendering.

Megan Lauer

Store Manager

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Megan is continuing the business practices and love for fine quality jewelry that her father has been practicing for over 30 years. Second generation, Megan received her business degree from the University of Utah studying entrepreneurship, marketing, and economics. Megan spent 5 years gaining experience at jewelry retailers across the United States. Her jewelry experience includes customer service, sales, quality control, internet sales, and office manager.

Kelly Sternau


Kelly began to realize her dream of being in the jewelry industry at just 15 years old while taking a jewelry making class in high school. She further pursued her jewelry quest by attending Art Studio Fuji in Florence, Italy. She completed her training there with a concentration in jewelry design and metal fabrication. On top of her formal education, Kelly has worked on the sales floor and in repair shops for jewelry stores in Indiana, Colorado and now Minnesota.

Kelly is a certified Diamontologist through the Diamond Council of America and is currently working towards her Graduate Gemology certificate through the Gemological Institute of America. Kelly's unique training and design abilities are a welcome addition to the Mark Michael family.

For more information and to set an appointment with Kelly please click here

Rachael Lauer


With a fun, design oriented style; Mark's youngest daughter, Rachael, definitely inherited the love for quality jewelry and everything that sparkles! Rachael has been working at her family's store for going on 10 years.