Captiva Dainty NecklaceA great necklace for layering or wearing alone, this dainty necklace features sky blue Peruvian opals and is adjustable. Your new jewelry comes beautifully packaged and ready for giving (even if it's just for yourself). Approximately 15. 5 18. 5" L *please allow for slight variations as all our jewelry is handmade, and due to the natural nature of gemstones, no two are exactly alike.