Owner / Graduate Gemologist / Appraiser

Your jewelry needs are in expert hands.

Sherry, a seasoned jewelry professional with over three decades of experience, is committed to providing exceptional service and expertise to her valued clients. She began her career in 1985 at JC Penney, gaining valuable industry insights.

Later, she managed a family-owned jewelry business and pursued her Graduate Gemologist Degree from the Gemological Institute of America (GIA). In 2010, Sherry founded Yarnal Jewelers, offering personalized jewelry services to provide more options than found at mass-market jewelry stores. As an active member of the GIA Alumni Association and a Certified Master Appraiser of the National Association of Jewelry Appraisers (NAJA), Sherry stays updated on gemstone trends and appraisal practices through ongoing education and conferences. 

CAD Designer / Gemologist / Sales Associate

When you seek something truly unique. 

Angie Krowicki, is a dedicated jewelry artist on the Yarnal Jewelers team. Angie's passion for crafting unique, edgy, yet feminine jewelry is truly exceptional. Using a mix of "found" or recycled components, she creates pieces that are sure to make any woman exclaim, "I've never seen anything like this — it is so unique."

From San Francisco, Angie is not only an artist but also a devoted wife, mother of two young children, and granddaughter of a Guatemalan jeweler and goldsmith. You could say craftsmanship runs in the family. She draws inspiration from nature, life experiences, and spirituality, and her creative flow is set in motion by the harmonious tunes of music.

Angie holds the prestigious Accredited Jewelry Professional (GIA) certification and has enriched her skills through jewelry-making and gemology courses at the Crucible in Oakland. Currently, she's on the path to earning her Graduate Gemologist degree from GIA. With Angie's artistic flair and commitment to excellence, you can expect jewelry that's as unique as you are.

Professional Goldsmith

Meticulous in every way.

Meet Jack, our Master Goldsmith with over three decades of expertise in crafting and restoring precious metal jewelry. Jack's unparalleled skill allows him to breathe new life into your cherished pieces, ensuring they stand the test of time and continue to sparkle for years to come.

Whether it's securing the prong of your treasured engagement diamond, replacing a broken clasp on your beloved bracelet, or meticulously restoring a family heirloom close to your heart, Jack at Yarnal Jewelers is your trusted expert. He's not just proficient in working with precious metals and exquisite gemstones; he's your partner in maintaining the integrity of your jewelry. Some of the services he offers include resizing rings, replacing lost or damaged stones, fixing links and clasps, and even enhancing your stones for size, color, or quality.

Jack's true passion lies in custom restoration, where he can craft missing components, making your heirloom piece just as breathtaking as the day it found its place in your collection. Your jewelry will not only be meticulously repaired but also transformed into a timeless masterpiece reflecting your personal style. Your jewelry is in capable hands with Jack at Yarnal Jewelers.