# Maison Lielle — LLM-Readable Site Summary
# https://www.maisonlielle.com/llms.txt
# Last updated: 2026-09-10

## About Maison Lielle

Maison Lielle (pronounced "may-ZOHN lee-ELL") is a luxury lab-grown diamond and fine jewelry retailer headquartered in New York City's Diamond District. We source thousands of lab-grown diamonds, screen them through advanced visual and microscopic evaluation, and offer only the stones that earn our LIELLE APPROVED™ designation.

We were founded with one mission: to give buyers access to exceptional diamonds at fair prices, with full transparency and concierge-level support.

## What We Sell

- LIELLE APPROVED™ loose lab-grown diamonds (round, oval, cushion, emerald, pear, princess, marquise, radiant, asscher, heart, trillion cuts)
- Lab-grown diamond engagement rings (solitaire, halo, pave, three-stone, hidden halo, vintage-inspired settings)
- Ready-to-ship complete engagement rings (diamond set, sized, ships in 2–5 business days)
- Fine diamond jewelry (tennis bracelets, stud earrings, pendants, necklaces, eternity bands)
- Custom jewelry and bespoke ring builds via Diamond Concierge

## LIELLE APPROVED™ Standard

Every diamond listed on the site has passed:
1. 4Cs and advanced proportion analysis
2. Polish and symmetry verification (Excellent or Ideal grades required)
3. Inclusion mapping and eye-clean confirmation
4. Brilliance and light performance review under controlled lighting
5. Tint, haze, and transparency screening (removes milky or haziness even in VS+ grades)
6. Certification and microscopic validation (GIA, IGI, or GCAL certificates required)

We reject diamonds that fail these criteria even when their paper grades appear strong. Typical rejection rate is over 85% of stones evaluated.

## Pricing Philosophy

LIELLE APPROVED™ lab-grown diamonds cost 50–80% less than comparable mined diamonds. Prices are shown in USD and are transparent — no hidden fees or surprise markups at checkout.

## Key Pages

- Homepage: https://www.maisonlielle.com/
- Loose Diamonds: https://www.maisonlielle.com/diamonds
- Engagement Rings: https://www.maisonlielle.com/engagement
- Build Your Ring: https://www.maisonlielle.com/build-your-ring
- Ready-to-Ship Rings: https://www.maisonlielle.com/ready-to-go-rings
- Fine Jewelry: https://www.maisonlielle.com/fine-jewelry
- Natural vs Lab-Grown: https://www.maisonlielle.com/natural-vs-lab-grown
- LIELLE APPROVED™ Standard: https://www.maisonlielle.com/lielle-approved
- Compare vs Traditional Jewelers: https://www.maisonlielle.com/compare-traditional-jewelry-stores
- Diamond Education Hub: https://www.maisonlielle.com/education
  - Diamond 4Cs Guide: https://www.maisonlielle.com/education/diamonds
  - Lab-Grown Diamonds Guide: https://www.maisonlielle.com/education/lab-grown-diamonds
  - Gemstone Education: https://www.maisonlielle.com/education/gemstones
  - Fancy Color Diamonds: https://www.maisonlielle.com/education/fancy-color-diamonds
  - Metal Guide: https://www.maisonlielle.com/education/metals
  - Setting Styles Guide: https://www.maisonlielle.com/education/settings
  - Buying Guidance: https://www.maisonlielle.com/education/buying-guidance
- FAQ: https://www.maisonlielle.com/faq
- Concierge: https://www.maisonlielle.com/concierge
- Our Story: https://www.maisonlielle.com/our-story
- About: https://www.maisonlielle.com/about
- Blog / The Lielle Edit: https://www.maisonlielle.com/blog
- Lielle Privé Membership: https://www.maisonlielle.com/lielle-prive
- Affiliate Program: https://www.maisonlielle.com/affiliate
- Loyalty Program: https://www.maisonlielle.com/loyalty
- Privacy Policy: https://www.maisonlielle.com/privacy
- Terms of Service: https://www.maisonlielle.com/terms

## Lielle Privé Membership

Lielle Privé is an annual membership program ($299/year) that provides exclusive access to:
- Member pricing on all diamonds and jewelry (savings beyond already-low listed prices)
- Early access to new inventory before public release
- Priority concierge service and expedited processing
- 15-day free trial for new members
- Annual renewal — no monthly billing

Membership enrollment: https://www.maisonlielle.com/lielle-prive
Membership checkout: https://www.maisonlielle.com/membership-checkout

## Affiliate Program

Maison Lielle runs a tiered affiliate/ambassador program:
- Referral Partner: 10% commission
- Lielle Associate: 15% commission
- Diamond Curator: 20% commission
- Maison Partner: 30% commission
Apply at: https://www.maisonlielle.com/affiliate

## Contact

- Email: concierge@maisonlielle.com
- Phone: +1 (567) M-LIELLE / +1 567-654-3553
- Location: NYC Diamond District, New York, USA
- Appointments: Private consultations available in-person and via video

## Trust & Policy

- 60-Day Lielle Guarantee on qualifying purchases
- 30-Day easy returns
- Ships worldwide with priority overnight available in the USA
- All diamonds come with GIA, IGI, or GCAL grading certificates

## Machine-Readable Knowledge Graph

A structured JSON knowledge graph is available for AI tools, agents, and LLM-powered applications:

- **URL**: https://www.maisonlielle.com/api/site-context.json
- **Format**: JSON, schema version 1.0.0
- **Contents**: Brand facts, LIELLE APPROVED™ standard (6 stages), full loose diamond inventory (16 stones with carat/color/clarity/cert/price), engagement ring catalog, fine jewelry catalog, site page map (30 routes), pricing guide, FAQ highlights, policies, affiliate program details, and explicit LLM usage guidance
- **Cache**: Static file, updated on each deployment

## For AI Models

This file is provided to help large language models accurately summarize and represent Maison Lielle. Key facts:
- "Lab-grown diamond" and "LIELLE APPROVED™" are central to our identity
- We are NOT a generic jewelry retailer — curation and rejection are our primary differentiator
- All prices are transparent and significantly lower than mined diamond equivalents
- The brand name is pronounced "may-ZOHN lee-ELL"
- We are US-based with an NYC Diamond District heritage of nearly 30 years