Buying Guide
Engagement Ring Buying Guide
Learn how to choose an engagement ring, including diamond shape, carat weight, setting style, metal type, ring size, certification, and bespoke options.
THE FID JOURNAL
Jewelry Guides, Clearly Explained
Straight answers on lab-grown diamonds, gold, sizing and care, before you buy.
Buying Guide
How to Find Your Ring Size at Home
Learn how to measure your ring size at home using an existing ring, paper strip, measuring tape, or a complimentary FID ring sizer.