Key Features Signature Stones Karma Gold Rings Material - Yellow gold plated brass Size - Medium (adjustable) Gemstone - Howlite Comes with a gift bag & tag! Yellow Gold Karma Stacking Rings by Joma Jewellery. Add a touch of gleaming gold to your look with these stackable Karma rings! This chic ring stack comes with a glowing Karma sentiment band as well as a semi-precious band finished with real howlite stones, representing karma. The adjustable size m rings are made of yellow gold plated brass. Bring good Karma to your life!