APM Monaco Ladies Rings. SKU: P21941OX. Gem stone type: Cubic Zirconia. APM Monaco Dainty Pave Rose-Gold Alloy Ring. This ring, crafted from APM Rose Alloya 95% recycled, anti-tarnish, and hypoallergenic materialis plated with a 3-micron layer of 18k gold and micro-set with white cubic zirconia.