Online gives you range and convenience; in store lets you see, feel and size a piece. Either way, here are the questions to ask before you buy.
How to measure your wrist, pick the right bracelet length and choose between Cuban, Franco, Byzantine, paperclip and other styles.
How to pick stud earrings by metal, size and back type, with a chart that turns carat weight into millimeters.
How to pick the right hoop diameter, thickness, style and closure, with a size chart in millimeters and inches.
Karat, solid vs hollow, style, width, length, clasp and weight: the seven things to check before you buy a gold chain.
Pick the metal, width, fit and finish that suit your hands and your work, then get the size right. A simple guide to men's wedding bands.
Before you look at diamonds, decide three things: the setting, the metal and the ring size. Here is a simple way to work through each one.
Natural and lab-grown diamonds are both real diamonds. Cubic zirconia is a different stone. Here is how they compare and how to tell what you are buying.
Three simple ways to find your ring size at home, a US size chart in millimeters, and the mistakes that cause rings to fit wrong.
The 4Cs are carat, cut, color and clarity. Here is what each one means, which ones you can actually see, and where to spend your money.