Topaz diamond rings are ideal as engagement rings (if you want a more unique flair than traditional diamond rings), and can be used as gifts too. Topaz rings can also serve as a symbol of friendship, topaz is also the birthstone for the month of November.
You may get topaz diamond rings ready-made or custom designed with a combination of topaz and diamond gemstones. Depending on your ring setting and style, topaz can be used as your center stone or as accent stones with a diamond center. Smaller diamonds of the same carat weight (diamonds are measured in carats), will cost you less than one big diamond of similar weight, and since topaz is an inexpensive gemstone, you can therefore use it with a few diamonds to get a less expensive diamond ring.
Topaz can be found in several shades of colors including yellow, green, blue and red. Diamonds may also come in yellows, blues, pinks, colorless etc too, making it easy for you to choose complimentary topaz and diamond gemstone colors, which fit your taste.
To avoid buying inferior topaz diamond rings, you will need to do some research on jewelers. Reputable jewelers should be able to provide you with genuine gemstone certificates, with adequate information on the value of the gemstones you buy.