White Opal Diamond Engagement Ring Blue Topaz Ring October Birthstone Promise Anniversary GiftEngagement Ring: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone Lab White Opal Shape Pear Weight About1.0 ct Size 6x8 mm Accent stones real diamond Set Prong,Pave Set What does an opal engagement ring mean Opal is said to represent faithfulness, confidence, and creativity, making anopal engagement ring perfect tosymbolize a marriage that requires the faith of the couple, confidence in their relationship, and creativity to keep every day fresh and exciting.