From the Rittenhouse collection; Brilliant Swiss blue topaz gemstone sparkles in a silver and gold bead pendant necklace design; Swiss blue topaz; Sterling silver; 18K yellow gold; 16-18"L; pendant: 0.71"L; Lobster clasp closure; Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care; Photo may have been enlarged and/or enhanced; Some silver jewelry may be surface-coated with rhodium to enhance metal color and shine; it may wear off over time requiring replating.; Imported