
Kevin Keller
SDJB · Chief executive officer
GIA Graduate Diamonds diploma holder and watch specialist. Kevin’s diamond-grading experience dates to 1993.
OUR FULL-SERVICE MAIN STORE
People you can meet at our main store, San Diego Jewelry Buyers. Start with your piece and your questions.


SDJB · Chief executive officer
GIA Graduate Diamonds diploma holder and watch specialist. Kevin’s diamond-grading experience dates to 1993.

SDJB · Head of product listing
Luxury-handbag specialist focused on the details and condition of designer bags.
Founder of the Maxwell Philip Jewelry brand and co-owner and chief operating officer at SDJB. Maxwell also creates jewelry education as Jeweler Maxwell.
Meet MaxwellSDJB senior buyer, helping customers discuss their pieces, purchase offers and loan options.
SDJB buyer and product lister, bringing experience from the buying counter and resale listings.
Ask what the team identified, what testing was useful and how condition and market demand affect the offer. Bring any records you have; you can begin without knowing the value.
For selling and loan inquiries, send your details and then choose an appointment time.
Service and education reference: SDJB’s published information. Reviewed October 26, 2026.