How to Appraise Crystal

Check the condition. As with many collectibles, the condition of the crystal is key to its value. Look for any cracks, chips or staining. Cracks are especially detrimental to the value of a piece because they can affect its structural integrity.

Look for a maker's mark. Identifying who made your piece will help you research its value. Some pieces of crystal have an acid-etched or an engraved signature on the bottom. For example, Waterford signs its crystal in this way. However, in older pieces of glassware the signature can become hard to read because of wear and tear to the bottom of the piece. Also, the signature is sometimes obscured if the piece has heavy decorative cuts on the underside.

Search guidebooks for help. Collectors guides can offer you more information about your crystal, and many contain prices. If you have been able to identify the maker of your glassware, look for guides specific to that manufacturer. If you are still unsure of the maker, there are general guidebooks that can offer you help in identification and valuation, such as the "Crystal Stemware Identification Guide" by Bob Page and Dale Frederiksen.

Use a replacement service. Companies that supply replacement glassware are excellent resources when you are trying to discover how much your crystal is worth. Companies such as Replacements, Ltd. and China Replacements maintain extensive websites with hundreds of glassware patterns. Seeing how much a piece will sell for on a replacement service site gives you a good idea of the value of your glassware. Often, these companies will help you with valuation and identification if you send photos or drawings of your glassware through regular mail, email or fax.

Check the marketplace. Start on eBay and check completed auctions to find pieces like yours that have sold. Look at online antiques stores and brick-and-mortar stores in your area to get a feel for how items are priced. Attend an antiques and collectibles show to see what is being sold and for how much. Talk to the dealers. Show them pictures of your piece to get their opinions on the value.

Ask an expert. If you have a large crystal collection and need to determine how much you should insure the pieces for, it is best to hire an expert to do an in-person appraisal. A professional can give you a written assessment of value that can be used for insurance purposes.