Linda Cosentino

Linda is our Operations Manager and an AMAZING jewelry designer. She has been with us since 2016 but has been in the jewelry business since 1990. Back then, she hand-carved 3D wax models for custom jewelry.

A graduate of Southern Illinois University Carbondale. She currently lives in Plainfield with her husband Chris and their two sons.

Bill Nanfeldt

Bill is our Business Development Manager and has been with us since early 2019.

Working in the Jewelry Industry over 38 years, BIll has accreditations from the Gemological Institute of America, the Diamond Council of America, the American Gem Society and the International School of Gemology.

A graduate of Bradley University, Bill studied Business Management and Administration.

Paige Fonck

Paige is one of our talented Sales Associates and has been with us going on four years.

Recently married, Paige lives in Morris with her husband.

Dana Mathews

Dana is our Repair Liaison Coordinator and Custom CAD Designer. She has been in the jewelry industry since 2003 and joined our team in the fall of 2020.

Dana is certified with The Diamond Council of America.

Ariana Starcevich

Ariana is our newest Diamond Consultant to join the Mark Peter’s Diamond Designs team. She has over five years of experience in assisting clients find that perfect fine jewelry gift.

She resides in Plainfield with her family.

Dominic Zupo

Dom is one of our Diamond Consultants and has GIA accreditation as an Applied Jewelry Professional. Currently, he is studying to become a Graduate Diamonds Professional.

Dom has been in the jewelry industry for 2 years.

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