This best selling Mariana necklace is perfect for every day or special occasion!Necklace is approximately 15 inches long with a 4 inch extender and a lobster claw closure and features medium (8.5mm) crystals. Color 1163: Electric Blue from the Dancing In The Moonlight collection featuring a beautiful mix of blues and purples including sapphire and tanzanite.Mariana Jewelry is handmade with nickel-free brass and is hypoallergenic.