What 1920s engagement rings look like: the traits of Art Deco and Edwardian styles, how they compare, and how to choose and care for one.

Whether a ring can be resized is not a simple yes or no. What affects it, how resizing works, the risks, the alternatives and the cost.

How to find an affordable engagement ring in NYC's Diamond District: understand diamond quality and pricing, set a budget and do your research.

Five well-known New York jewelers for engagement rings, from Tiffany & Co. to Harry Winston and Cartier, plus what to weigh before you buy.

A diamond certification is an independent lab's report on a stone's 4Cs. GIA's grading is the industry standard, and AGI is a respected lab in New York.

How to choose a diamond solitaire pendant necklace. A 0.25 to 0.5 carat stone looks understated. Go 1 to 3 carats for a bolder statement.

Pink diamonds got rarer when the Argyle mine, source of over 90% of them, closed in 2021. Even a natural one under half a carat can cost thousands.

Brown diamonds, also called champagne or cognac, are among the most affordable colored diamonds. Expect a natural 1-carat stone to start around $2,500.

Natural blue diamonds usually owe their color to boron and come from only a few mines. The 45-carat Hope Diamond is worth an estimated $250 million.

There's no age limit for a promise ring. They're often linked to teens, but couples of any age give them. Just don't kneel, or it looks like a proposal.

A jeweler can shorten or lengthen a diamond tennis bracelet, often for under $100. See how it should fit and how it got its name at the U.S. Open.

Green diamonds are some of the rarest stones in the world. Radiation deep underground turns most natural ones green, often only in a thin outer layer.

A diamond's setting is how the stone is mounted on the band. Prong, bezel, halo and cathedral settings compared, so you can pick the right style.