I.
The Masterclass
Ten signature volumes — one hundred chapters — on reinvention, confidence, elegance and the art of becoming her. Self-paced, beautifully designed, lifetime access.
With Julia Post-Guenther
MaisonGem
The modern art of elegant living —
for every woman becoming her most refined self.
10
Signature Volumes
100
Chapters
30+
Live Tools
Vogue✦Town & Country✦Harper's Bazaar✦Architectural Digest✦Financial Times✦The Cut✦Marie Claire✦Elle✦
Vogue✦Town & Country✦Harper's Bazaar✦Architectural Digest✦Financial Times✦The Cut✦Marie Claire✦Elle✦
The Promise
No. 001
The complete elegance appfor the modern woman.
Everything a stylist, an etiquette teacher, a sommelier, a jeweler and a well-traveled friend could give you — distilled into one beautifully quiet place. Take the quizzes. Build your capsule. Style the look. Pour the wine. Borrow the Black Book. Wear the jewelry.
You don't need to know anyone to begin. You don't need to be anyone yet. You simply need to want a more considered life — and to give yourself half an hour, here and there, to build one.
The Four Pillars
One app. Every refinement.
II.
Elegance School
Interactive etiquette, hosting, deportment, scent, table craft and conversation — with quizzes, scoring and trackers built in.
III.
The Wardrobe Atelier
Style archetype quiz, capsule builder, color-season finder, and a digital wardrobe that styles you — with the jewelry to complete every look.
IV.
The Privé Society
Member perks at the world's top 100 private clubs, a curated Black Book, and the rewards programme for women who live beautifully.
What's inside
Quizzes, tools & rituals — made to play with.
Every section is interactive. Discover your style archetype, your color season, your scent family, your hostess persona — then keep score as you become her.
01
Style Archetype Quiz
02
Color Season Finder
03
Signature Scent Discovery
04
Capsule Wardrobe Builder
05
Etiquette Knowledge Quiz
06
Daily Ritual Tracker
07
Hostess Persona Quiz
08
Wine & Pairing Table
09
Travel Archetype Quiz
10
Outfit & Jewelry Architect
11
The Carnet · Journaling
12
Black Book & Privé Perks
Julia Post Jewelry
The signature pieces of a considered life.
Heirloom-quality fine jewelry, designed by Julia. Every outfit you build inside the app is finished with the pieces that complete her.
✦
The Signet
A single quiet ring.
✦
The Layered Chains
Two lengths, one neckline.
✦
The Solitaire Studs
From breakfast to black tie.
✦
The Tennis Line
A wrist that means business.
Meet Julia
The expert behind The Method.
Julia Post-Guenther is a style, etiquette and lifestyle expert and the founder of Julia Post Jewelry. After two decades inside the world of luxury — from European maisons to private clients across three continents — she set out to build the resource she had always wished existed.
Maison Gem is the result: a complete, beautifully designed app where any woman — at any chapter of her life — can quietly learn what was once only passed down behind closed doors.
Etiquette & deportment
Modern manners, table craft, posture, conversation.
Personal style
Archetypes, color seasons, capsule architecture.
Fine jewelry
The signature pieces of a considered life.
Hosting & hospitality
From a simple supper to a black-tie weekend.
Travel & leisure
Itineraries, packing, the art of arrival.
Inner refinement
Confidence, presence, voice, becoming.
The Masterclass
Ten volumes. One hundred chapters.
The complete Julia Post-Guenther Masterclass — a private library of self-paced films, workbooks and reflections. Yours for life inside the app.
Enter The Masterclass- 0110 Chapters
Vol. I — The Art of Reinvention
- 0210 Chapters
Vol. II — The Elegant Entrepreneur
- 0310 Chapters
Vol. III — Resilience After Adversity
- 0410 Chapters
Vol. IV — The Confident Woman
- 0510 Chapters
Vol. V — The Luxury of Well-Being
- 0610 Chapters
Vol. VI — Boundaries Are Beautiful
- 0710 Chapters
Vol. VII — The Art of Self-Worth
- 0810 Chapters
Vol. VIII — Elegance as a Lifestyle
- 0910 Chapters
Vol. IX — The Next Chapter
- 1010 Chapters
Vol. X — The Art of Becoming
Privé · By Invitation
A rewards programme for women who live beautifully.
The Privé Society pairs members of the world's top 100 private clubs with exclusive benefits inside the app — and curated offers from the most exquisite ateliers, hotels and houses.
✦
The Elwood Club · Newport Beach
✦
Soho House · Worldwide
✦
Casa Cipriani · New York
✦
ZZ's Club · Miami
✦
Maxime's · London
✦
Annabel's · Mayfair
✦
Core Club · Manhattan
✦
San Vicente · Los Angeles
✦
For Every Elegant Woman
Become her.
The most refined version of you is already within. Maison Gem is simply the place she has been waiting for.