21C Designs

21C Designs Your personal jewelry concierge service, designing for your style today.

Engagement ring and band styling For a timeless elevated look ✨
09/09/2026

Engagement ring and band styling For a timeless elevated look ✨

Lisa’s transformation. Green tourmaline and diamonds from her mother repurposed into one everyday elevated ring ✨ ...
09/03/2026

Lisa’s transformation. Green tourmaline and diamonds from her mother repurposed into one everyday elevated ring ✨

08/31/2026

A little preview of Lisa’s redesigned tourmaline and diamond ring. Pop back tomorrow to see the transformation ✨

Join us this Thursday and Friday for a treasurebaycollections trunk show featuring pearls and gemstones ✨Come by to shop...
08/24/2026

Join us this Thursday and Friday for a treasurebaycollections trunk show featuring pearls and gemstones ✨

Come by to shop their latest pieces, enjoy complimentary jewelry cleaning and enter a chance to win our GIVEAWAY!

We hope to see you there! 🤍

With a passion for custom designs that transcends trends, we understand that jewelry is more than an accessory- it’s a p...
08/21/2026

With a passion for custom designs that transcends trends, we understand that jewelry is more than an accessory- it’s a piece of your story. ✨

An updated modern look for Margaret’s rings ✨
08/18/2026

An updated modern look for Margaret’s rings ✨

08/13/2026

Becca’s transformative redesign! An everyday showstopper!

08/10/2026

Our take on modernizing pearls ✨a signature design of ours transforms the classic charm design by adding a push lock to interchange charms for everyday wear.

A Graduate Gemologist diploma from the Gemological Institute of America (GIA) is considered the gold standard in the ind...
08/07/2026

A Graduate Gemologist diploma from the Gemological Institute of America (GIA) is considered the gold standard in the industry and carries worldwide recognition.
The program is an in-depth study of diamonds and colored gemstones, covering their history, science, identification, grading, and valuation through extensive coursework, hands-on laboratory experience, and testing. I learned how to assess and grade gemstones and apply that knowledge to the market, considering quality, rarity, and value.
For me, earning my Graduate Gemologist diploma was about taking my assessment and appraisal skills to the next level—and, most importantly, being able to give our customers a deeper understanding of what they own and the value behind it. 💎

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Madison, CT

Telephone

+12036314517

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