What it is

Metalwerx Cabs in a Day is a first-party public lapidary workshop at Metalwerx, a nonprofit jewelry and metalsmithing school and community studio in Waltham, Massachusetts. The official class page describes a fast-paced one-day workshop in which students learn to cut a cabochon from rough stone — slicing, shaping into simple round, oval or soft-edged forms, and polishing — leaving with finished, ready-to-set hand-made gems. Instructor Allison Keast (Allie Keast Jewelry / MassArt BFA Jewelry & Metalsmithing). It is a public, fee-based, pre-scheduled course. It is not a membership gem-club listing by itself and not a retail supply shop.

Who it’s for

Beginners and beyond (all levels; no experience needed) in the Waltham / Greater Boston area who want a one-day instructor-led cabochon workshop with published tuition and studio fee and a dated 2026 session. Students may bring their own rough (about 1″×1″ recommended) or buy from the instructor’s in-class selection.

Why it’s listed

This is a first-party lapidary workshop with a printed Waltham street address, a named instructor, a dated 2026 session with clock times, and on-page dollar prices for tuition and studio fee. It is not a scraped directory card, not a gem-club meeting listing alone, and not a jewelry retail storefront.

Presenter and venue (class page / Metalwerx footer, checked 2026-10-05): Metalwerx, 50 Guinan Street, Waltham, MA 02451; phone 781-891-3854; office hours Mon–Sat 10:00–5:00 Eastern. Home page describes Metalwerx as a nonprofit jewelry and metalsmithing school and community studio.
Tuition and fees (Cabs in a Day class detail, checked today): Tuition $225.00; Material / studio fee $20.00 payable on registration for consumables. An additional fee is payable to the instructor during class for rough stones students select from Allie’s in-class inventory (pricing varies by type, size and quantity).
Schedule (class detail, checked today): November 13, 2026, Friday, 10:00 a.m.–5:00 p.m. Length: 1 day. Level: All Levels. Prerequisites: none.
Registration note (class detail, checked today): on-site registration customarily closes about one week before the start date because of supply ordering; after close, contact Metalwerx to ask about joining.
Student bring list (class detail, checked today): closed-toe shoes (required); optional own rough ~1″×1″; apron; towel; notebook; pen; lunch (fridge, toaster oven and microwave on site).

The fees, times and session date above are what the official class detail showed on the check date. Sections fill and fees change. Confirm on the live Metalwerx class page before treating any figure as fixed.

Official URL

Last checked: 2026-10-05

https://metalwerx.org/

Cabs in a Day — Nov 13, 2026: https://metalwerx.org/class-detail/cabs-day-2

Location

Class meets at Metalwerx, 50 Guinan Street, Waltham, MA 02451. Phone 781-891-3854. Office hours Mon–Sat 10:00–5:00 Eastern per the site footer.

This is a public nonprofit jewelry-school classroom venue. It is not a gem-club membership application page and not a lapidary retail counter.

Notes

Category is Workshops. This is a public, pay-per-course lapidary day workshop with printed fees through Metalwerx. It is not a Clubs membership society listing and not a Suppliers equipment or rough shop.
The $225 tuition and $20 studio fee are copied from the official Cabs in a Day class detail checked on 2026-10-05 and may change. Prefer the live class-detail page. In-class rough fees paid to the instructor are not a fixed published dollar amount on that page.
A first-party class-detail cabochon photo is saved as metalwerx-cabs-in-a-day.jpg. It came from metalwerx.org (/sites/default/files/media/images/ClassDetailImage.Keast_.CabsInADay(8).jpg) and was JPEG-recompressed only.
Not affiliated with Lapidary Plaza.
No Lapidary Plaza contact, purchase, booking, or publication action was taken.

FAQ

Q: How much is Metalwerx Cabs in a Day?
A: The official class detail (checked 2026-10-05) lists tuition $225.00 plus a $20.00 studio/material fee at registration. Rough stones purchased from the instructor in class are an additional variable fee. Confirm on https://metalwerx.org/class-detail/cabs-day-2

Q: When and where does it meet?
A: November 13, 2026, Friday 10:00 a.m.–5:00 p.m., at Metalwerx, 50 Guinan Street, Waltham, MA 02451 (class detail, checked 2026-10-05).

Q: Do I need gem-club membership or prior experience?
A: No. The class page lists All Levels and no prerequisites. Registration is through Metalwerx as a public nonprofit school workshop, not through a gem society.

Q: Is this a gem club or a supply shop?
A: Neither as listed here. This entry is under Workshops. It is a public, fee-based one-day cabochon course at Metalwerx. For membership gem societies, see Clubs. For equipment and rough, see Suppliers.