Iolite Pendant lab Iolite Necklace Gemstone Necklace Etsy 8 Sparkly Blue Iolite Beaded Layering Bracelet Wire Etsy Gemstone Blue Iolite Beads Necklace at 8499 piece in Udaipur ID Iolite Stone [11 Hidden Secrets And Facts]. Our version of layering should always include colorful gems. We created a mini collection of delicate layering chains with a few of our best selling, wear with anything stones. Of course, they also look great alone as sweet floating neck gems. This one features a vibrant iolite gemstone in 14k gold plated . 925 Italian fine silver. Length is 16" with an extension for up to 18". No two stones are ever the same. Slight variations in color and size are what make them so unique.