Knowledge & Care

Guides

Original, plain-language guides to help you choose and care for fine jewelry.

Cut, color, clarity and carat: the four qualities that describe every diamond, in plain English.

Ten classic diamond shapes, what each looks like, and how brilliant and step cuts differ.

Setting styles, metals, and the question of whether to begin with the setting or the stone.

Practical ways to estimate a ring size at home, and why a professional measurement is worth it.

A month-by-month look at birthstones, with plain-English notes on durability and pearls.

Gentle cleaning, smart storage and sensible habits to keep your jewelry beautiful for years.