Beautiful! Sterling Silver Elegant Squoval ( cross between square and oval) Blue Lavender Lab Opal and Clear CZ’s Pendant on either a 16” or 18” sterling snake chains. Pendant: Height: 19.5mm, Width: 9.0mm, Thickness: 1.0mm Bail Opening: 2.0mm Stone Material: Blue Lavender Lab Opal and Clear Cubic Zirconias Center Stone Size: 7.4mm x 9.0mm 925 Sterling Silver, Rhodium Plated, High Polish Finish Chain: gauge: 20, width: 1mm, Stamped .925 on bail of pendant and clasp of chain