Establish a budget. Understand the 4C’s. One of the most wonderful lures of diamonds is that no two diamonds can ever be exactly alike, even though they may sometimes look identical. It is important to select the finest quality stone available at that price.
Look at her existing jewelry wardrobe. It will give you a lot of hints about her personal style. Is she traditional or non traditional? When in doubt, find a trustworthy friend who knows her style. To get the size right, sneak a ring that you know fits her ring finger. Press it into a soft bar of soap, leaving an indent for the jeweler to determine a size from.
Shop with a reputable jeweler such as Birgits Jewelers. At the end of the day, where you shop is the most important factor. Shop with a jeweler you trust. Make note of the exchange or return policy. If she would still prefer a different ring, you will need to make sure you can exchange it.