
Lumen Atelier
Los Angeles
Lumen started when Mara got tired of jewelry that photographed well and felt like nothing. She buys baroque pearls for their dents, not their symmetry, and sets them where the light already wants to go.
Visit their roomOpening the room…
Shop by festival · Gem & Jam
Crystal and stone jewelry for the festival that runs inside the Tucson gem showcase — the earliest date on the season's calendar.
Build the whole look
From the creators

Los Angeles
Lumen started when Mara got tired of jewelry that photographed well and felt like nothing. She buys baroque pearls for their dents, not their symmetry, and sets them where the light already wants to go.
Visit their roomThe buying guide
Gem & Jam is the winter hinge of the festival year: three days at the Pima County Fairgrounds in Tucson, February 5–7, 2027, held in the middle of the Tucson Gem, Mineral & Fossil Showcase, when the whole desert corridor fills with cutters, collectors, and creators. Jewelry is not a category at this festival — it is close to the point. The pieces on this page come from independent creators working with crystal, stone, and metal by hand, tagged for Gem & Jam because this is the crowd that will look closest at the work.
That cuts both ways, happily. Gem & Jam attendees include people who can read a stone and a setting at a glance, so the work here has to be honest: real materials, named plainly, finished properly. Each piece page lists what a piece is made of and how it is put together, because at this festival the making is part of the meaning. Desert winter is the other frame — warm sun at midday, genuinely cold nights — so jewelry here layers over sleeves and under wraps, and pieces with some presence read better than the delicate.
This page is also the season's first test of timing: a February festival means ordering in the middle of winter, when made-to-order queues are short and creators have time for adjustments. The order-by date appears at the top of this page as the festival approaches. If you are travelling to Tucson for the showcase as well, a handmade piece bought beforehand is the one souvenir of the trip that was not sold by the gram.
Good to know
Gem & Jam runs February 5–7, 2027 — the earliest festival on this calendar. An order-by date appears at the top of this page as it approaches. Winter ordering has an upside: creators' benches are less backed up than in summer, so adjustments and custom touches are easier to ask for.
Each piece page names its materials plainly — stone, metal, cord, and finish — along with how the piece is made. That honesty is the house rule here, and it matters at a festival full of people who know gems. If a detail is not listed, message the creator and ask.
Often, yes — ring sizes, chain lengths, and settings can frequently be adjusted at the bench. Message the creator from the piece page before ordering, especially in winter when there is more bench time available.
Every order is covered by Sol Sundries buyer protection: if a piece arrives damaged or never arrives, we make it right. Fit and change-of-mind returns follow the creator's own policy, shown on the piece page. See the Buyer Protection page for how it works.
For the crew
Start a shared list — one link where everyone's pieces live, so the crew's looks come together in one place instead of a hundred screenshots. Shared lists are on their way; the reminder list is how you hear first when they open.
The reminder list
Tell me when the Gem & Jam collection grows — and before the order-by date, while the pieces you want are still being made.
Keep looking

$186.00
Lumen Atelier