10mm Round Black Shell Flatback Resin Gem

Elevate your jewelry and craft projects with this striking 10mm round black shell flatback resin gem. The lustrous black finish captures light beautifully, while the flat back design ensures seamless adhesion to any surface—perfect for pendants, earrings, brooches, and embellishments. The generous 20mm diameter makes a bold statement without overwhelming delicate designs. Ideal for mixed-media artists, beaders, and jewelry makers seeking premium gemstone alternatives that deliver professional results at an accessible price point.