16" 2" extension 14 karat gold plated sterling silver cable chain necklace featuring alternating bezel set faceted irregular oval shaped rainbow moonstones and green chalcedony stones. The 4 green chalcedony stones all measure approximately 15mm x 20mm and the rainbow moonstones measure either 9mm x 16mm, 11mm x 17mm, or 15mm x 20mm. This necklace has a lobster clasp closure. .925 Sterling Silver