Jeweler in Tempe, AZ

A lot of first engagement rings get bought under pressure, from a counter, on a timeline, with a budget nobody wants to say out loud. We would rather do it the other way. An appointment at Quantum Qarat starts with what you actually want to spend and what she actually wears, and works forward from there.

That includes the honest version of the trade-offs: where carat weight stops being visible, when a lab-grown stone makes sense, which settings survive daily wear and which ones you will be back to fix. Start with engagement and wedding, or read the diamond guide and gold education first.

Repairs and restoration. Snapped chains, worn prongs, bent shanks and pieces that have sat in a drawer since they broke. See jewelry repair, tip and prong repair and restoration.

Sizing and finishing. Ring resizing, rhodium plating for white gold that has yellowed, and engraving for dates and initials inside a band.

Appraisals. Written by independent certified appraisers rather than by us, so the valuation comes from someone with no stake in the sale. See jewelry appraisals, and Jewelers Mutual on how an appraisal supports coverage. If you are renting in Tempe, an appraisal is usually what your renters policy wants before it will schedule a ring.

Watches. Watch repair and battery replacement.

Cleaning and inspection. Cleaning and inspection catches a loose stone while it is still a five-minute fix.

We are at 1801 East Camelback Road, Suite 201, Phoenix, AZ 85016, in the Camelback Colonnade. From Tempe it is close to a straight line north: Rural Road becomes Scottsdale Road at the city line, and Camelback Road runs west from there to our block. Coming off the 202 or the 143, SR 51 north exits at Camelback.

Hours are Monday to Friday 8am to 6pm, Saturday and Sunday 9am to 5pm. Appointments are recommended, and virtual consultations are available if driving up is inconvenient. City information for residents is at the City of Tempe.

We also work with clients in Scottsdale, Mesa and Chandler.

Do you serve Tempe if your store is in Phoenix?

Yes. Quantum Qarat is at 1801 East Camelback Road in Phoenix, a short drive north of Tempe, and we work with clients across the East Valley.

Do I need an appointment?

Appointments are recommended and can be booked online for either an in-person or a virtual consultation. A virtual appointment is often the easier first step if you are still deciding.

Do you work with lab-grown diamonds?

Yes. We will walk through lab-grown and natural side by side, including what each does to your budget and to resale, and let you decide rather than steering you.

Is jewelry repair done in house or sent out?

Repair work is handled in house at our Phoenix location rather than shipped to an off-site trade shop.

Can you resize a ring bought somewhere else?

Yes. We resize, repair and restore pieces no matter where they were bought.

How do I know what I am actually looking at in a diamond?

Ask for the grading report and read it. GIA's 4Cs guide covers what each grade means, and we will go through your specific stone with you at the appointment.

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