Plumeria: Very Fragrant And Abundant In The Hawaiian Islands Accented With Synthetic Cubic Zirconia For Extra Sparkle Rhodium Plated Sterling Silver Includes Black Storage Baggie And Black Jewelry Box A Beautiful And Unique Hawaiian Gift A beautiful three plumeria ring with sand and high polish finishes for contrast. Center plumeria is 10mm (0.38 inch) with a 3mm synthetic cubic zirconia. Side plumerias are 6mm (0.25 inch) with 2mm synthetic cubic zirconias. Rhodium plated sterling silver for superior shine and anti-tarnish properties.