The Stacker A pop of color, your way. Design: 4mm thin customizable stacking rings made with synthetic opal, perfect for layering or wearing solo One-of-a-kind: Mix and match colors to create your own unique combinations Customizable: Available in any metal with your choice of opal (see photos for options) Care & Maintenance Avoid damage: Remove before heavy activity, hitting hard surfaces, or using harsh chemicals Cleaning: Warm soapy water or mild jewelry cleaner works perfectly Returns & Warranty Refunds: Because each ring is handmade and unique, we don’t offer refunds. We can remake your ring at a reduced cost if it doesn’t fit or meet expectations Lifetime warranty: Damaged? Send it back and we’ll repair it, just cover return shipping