Sponge Coral Sterling Silver Set of 3 Stackable Rings SWE4141 JTV Contemporary Coral 18 Karat Gold Zig Zag Stacking Ring Wilson's Vintage 18K Solid Gold 70's Orange Mediterranean Coral Shuttle Ring Etsy Rings Page 6 Barse Jewelry. This Orange Sponge Coral Stacking Ring Set is the perfect embodiment of elegance and natural beauty. Crafted with five stackable, bronze rings encrusted with genuine orange sponge coral stones, you won't find a more vivid expression of organic artistry. Wear it and feel the magnificence for yourself! Orange Sponge Coral Description: Orange Sponge Coral stands out for its vivid orange color and distinctive, porous texture, making it a unique addition to any jewelry collection. Although it resembles traditional coral, it's actually made of tiny, compressed spicules, giving it a lightweight feel. Before being used in jewelry, it's typically stabilized to enhance its durability and beauty. Fun Fact: This coral plays a vital role in marine ecosystems by filtering water and removing microscopic debris. Symbolically, its bright orange hue is associated with energy, happiness, and social connectivity, making it a meaningful choice for those looking to express vibrancy and warmth. Natural variances are part of the beauty of our genuine stones. Your piece will vary slightly from the image shown.