Sterling Silver Hawaiian Plumeria Flower Clear CZ Belly Ring Hawaiian Heirloom Jewelry. Save 12 Off!. $28.95. Sterling silver Hawaiian plumeria flower belly button navel ring with a clear CZ stone in the center. Flower width: 1/2". This navel belly ring is solid sterling silver and finished with Rhodium to avoid tarnishing. Made in Hawaii and ships from our Hawaiian Heirloom Jewelry Factory located in Honolulu, Hawaii. The flower has a sand finish with polished edges.